List of first appearances in Marvel Comics publications

This is a list of first appearances of artifacts, characters, dimensions, locations, species, and teams in publications by Marvel Comics.

A

 * A-Bomb in Hulk (comics) vol. 2 #2, April 2008
 * The Aakon in Captain Marvel #8, July 1969
 * The A'Askvarii in Black Goliath #5, November 1976
 * Abomination in Tales to Astonish #90, April 1967
 * Absorbing Man in Journey into Mystery #114, March 1965
 * The Achernonians in Thor Annual #6, December 1977
 * The A-Chiltarians in Tales to Astonish #46, August 1963
 * Adamantium in Avengers #66, July 1969
 * Adam Warlock as "Him" in Fantastic Four #66, September 1967
 * as "Adam Warlock" in Marvel Premiere #1, April 1972
 * AIM (Advanced Idea Mechanics) in Strange Tales #146, July 1966
 * Agamotto (in reference only) in Strange Tales #115, December 1963
 * Agatha Harkness in Fantastic Four #94, January 1970
 * Aginar in Eternals #11, May 1977
 * Agon in Thor #148, January 1968
 * Aguila in Power Man and Iron Fist #58, August 1979
 * Ahab in Fantastic Four Annual #23, July 1990
 * Ahqlau in Eternals (vol. 2) #2, November 1985
 * Aireo in Fantastic Four #47, February 1966
 * Air-Walker in Fantastic Four #120, March 1972
 * Ajak in Eternals #2, August 1976
 * Alfheim in Thor #277, November 1978
 * Alicia Masters in Fantastic Four #8, November 1962
 * Allatou in Marvel Spotlight #18, October 1974
 * The Alpha Centaurians in Sub-Mariner #17, September 1969
 * Alpha Flight in Uncanny X-Men #121, April 1979
 * Alpha Primitives in Fantastic Four #47, February 1966
 * Amadeus Cho in Amazing Fantasy vol.2 #15, January 2006
 * American Eagle in Marvel Two-in-One Annual #6, October 1981
 * Amphibian in Avengers #145, March 1976
 * Amphibius in X-Men #62, November 1969
 * Anaconda in Marvel Two-in-One #64, June 1980
 * Ancient One in Strange Tales #110, July 1963
 * Andrea Benton (Andi) who becomes the symbiote Mania in Venom vol. 2 #31 (cameo), #32 (full appearance)
 * Andromeda in Defenders #143, May 1985
 * Angela Age Of Ultron March 2013
 * Angar the Screamer in Daredevil #100, June 1973
 * Angel in X-Men #1, September 1963
 * Angel (Thomas Halloway) in Marvel Comics #1, October 1939
 * The Ani-Men in Daredevil #10, October 1965
 * Annalee in Power Pack #12, July 1985
 * Annihilus in Fantastic Four Annual #6, November 1968
 * Ant-Man (Scott Lang) in Marvel Premiere #47, April 1979
 * Ape in Power Pack #12, July 1985
 * Ape-Man in Daredevil #10, October 1965
 * Ape-X in Squadron Supreme #5, January 1986
 * Apocalypse in X-Factor #6, June 1986
 * Aquarian (Wundarr) in Adventure into Fear #17, October 1973
 * Wundarr as Aquarian: Marvel Two-in-One #58, December 1979
 * Aquarius in Avengers #72, January 1970
 * Arabian Knight in Incredible Hulk #257, March 1981
 * Aragorn in Avengers #48, January 1968
 * Arcade in Marvel Team-Up #65, January 1978
 * Arcanna in Defenders #112, October 1982
 * Archangel in X-Factor #24, January 1988
 * Arclight in Uncanny X-Men #210, October 1986
 * The Arcturans in Adventure into Fear #23, August 1974
 * Ares (modern) in Thor #129, June 1966
 * Aries in Avengers #72, January 1970
 * Arishem the Judge in Eternals #2, August 1976
 * Arkon in Avengers #75, April 1970
 * Armageddon in Exiles #41, January 2004
 * Aron in 'Captain Marvel #39
 * Arkus in Sub-Mariner #63, July 1973
 * Arlok in What If #27, July 1981
 * Armadillo in Captain America #308, August 1985
 * Arnim Zola in Captain America #208, April 1977
 * Asgard in Journey into Mystery #85, October 1962
 * Asmodeus I in Fantastic Four #117, December 1971
 * Asmodeus in Ghost Rider (vol. 2) #53, February 1981
 * Asp in Captain America #309, September 1985
 * Asteroid M in X-Men #5, June 1964
 * Astra in Uncanny X-Men #107, October 1977
 * Astra II in Rom #25, December 1981
 * The Astrans in Incredible Hulk #6, March 1963
 * Astron in What If #27, July 1981
 * Atlantis in Fantastic Four Annual #1, 1963
 * Atra in Marvel Team-Up Annual #5, 1982
 * Attilan in Fantastic Four #47, February 1966
 * Attuma in "Fantastic Four" #33, December 1964
 * Aurora in Uncanny X-Men #120, April 1979
 * The Autocrons in Machine Man #3, June 1978
 * Avalanche in Uncanny X-Men #141, January 1981
 * The Avengers in Avengers #1, September 1963
 * Avius in Fantastic Four #129, December 1972
 * Awesome Android in Fantastic Four #15, June 1963
 * The Axi-Tun in Invaders #1, August 1975
 * Azazel in Uncanny X-Men # 428

B

 * Badoon in Silver Surfer #2
 * Balder in Journey into Mystery #85
 * Banshee in X-Men #28
 * Baron Mordo in Strange Tales #111
 * Baron Von Strucker in Sgt. Fury and his Howling Commandos #5
 * Baron Zemo,Original in ''Avengers #4
 * Baron Zemo in ''Captain America #168
 * Basilisk in Marvel Team-Up #16
 * Bastion in X-Men #52 (cameo); Uncanny X-Men #333 (full)
 * Batroc the Leaper in Tales of Suspense #75
 * Baxter Building in Fantastic Four #3 (First named in #6)
 * Beast in X-Men #1
 * Beast (in furry form) in Amazing Adventures #11
 * Dark Beast in X-Men: Alpha
 * Ben Apps in Blue Oyster Adventures #1
 * Ben Urich in Daredevil #153
 * Beta Ray Bill in Thor #337
 * Bethany Cabe in Iron Man #117
 * Betty Brant in The Amazing Spider-Man #4
 * Betty Ross in ''The Incredible Hulk #1
 * Betty Ross (Golden Girl) in Captain America Comics #1
 * Beyonder in Secret Wars #1
 * Bi-Beast in Incredible Hulk #169
 * Bishop in Uncanny X-Men #282
 * Black Bolt in Fantastic Four #45
 * Black Cat in The Amazing Spider-Man #194, July 1979
 * Black Fox in The Amazing Spider-Man #255
 * Black Tom Cassidy in Uncanny X-Men #99 (in shadows), Uncanny X-Men #101 (full)
 * Blackheart in Daredevil #270
 * Black Knight
 * I: as Sir Percy of Scandia in Black Knight Comics #1
 * II: as Nathan Garrett in Tales to Astonish #52
 * III: as Dane Whitman in The Avengers #47
 * IV: (Vatican Black Knight) in The Black Panther #3
 * Black Mamba in Marvel Two-in-One #64
 * Blackout in Ghost Rider Vol.2 #2
 * Black Panther in Fantastic Four #52
 * Black Talon (original) in Strange Tales #173
 * Black Widow
 * I: as Claire Voyant in Mystic Comics #4
 * II: as Natalia Romanova in Tales of Suspense #52
 * III: as Yelena Belova in Inhumans (vol. 2) #5
 * Blade in Tomb of Dracula #10
 * BlackAxe in BlackAxe #1
 * Blastaar in Fantastic Four #62
 * Blink in X-Men: Alpha
 * I: as Clarice Ferguson in Uncanny X-Men #317
 * Blizzard
 * I: as Jack Frost in Tales of Suspense #45
 * II: in Iron Man #223
 * Blob in X-Men #3
 * BloodAxe in Thor #448
 * Blood Brothers in Iron Man #55
 * Bloodseed in Bloodseed #1
 * Bloodshed in Wed of Spider-Man #81
 * Ulysses Bloodstone in Marvel Presents #1
 * Elsa Bloodstone in Bloodstone #1
 * Boomerang in Tales to Astonish #81
 * Brian Banner in Incredible Hulk #267
 * Brood in Uncanny X-Men #155
 * Broo in Wolverine & the X-Men #1
 * Brother Voodoo in Strange Tales #169
 * Brotherhood of Evil Mutants in ''Uncanny X-Men #4
 * Bucky Barnes in Captain America Comics #1
 * Bullet in Daredevil #250
 * Bullseye in Daredevil #131
 * Bushwacker in Daredevil #248

C

 * Cable in New Mutants #87
 * Caiera in Incredible Hulk vol.3 #92
 * Callisto in Uncanny X-Men #169
 * Calypso in The Amazing Spider-Man #209
 * Cannonball in Marvel Graphic Novel #4
 * Captain America in Captain America Comics #1
 * Captain Britain (Brian Braddock)
 * England: Captain Britain Weekly #1 (October 13, 1976)
 * United States: Marvel Team-Up #65
 * as Kelsey Leigh Kirkland in Avengers #77
 * Captain Marvel
 * as Mar-Vell in Marvel Super-Heroes #12
 * as Monica Rambeau (also known as Photon, Pulsar or Spectrum) in The Amazing Spider-Man Annual #16 (1982)
 * as Genis-Vell (Also known as Legacy or Photon) in Captain Marvel Vol.3 #4 (March 2009)
 * as Carol Danvers (Also known as Ms. Marvel, Binary, and Captain Marvel) in Avenging Spider-Man Vol.1 #9 (September 2012)
 * Captain Universe in Micronauts #8
 * Carnage in The Amazing Spider-Man #361
 * Cardiac in The Amazing Spider-Man #344
 * Cardinal in New Warriors #28
 * Cassandra Nova in New X-Men #114
 * The Cat (Greer Grant) in Claws of the Cat #1
 * Cecilia Reyes in X-Men vol. 2 #65
 * The Celestials in Eternals #1
 * Cerebro in X-Men #7
 * Cerise in Excalibur #47
 * Charlie-27 in Marvel Super-Heroes #18
 * Chamber in Generation X #1
 * Chameleon in The Amazing Spider-Man #1
 * Champion of the Universe in Marvel Two-in-One Annual #7
 * The Circus Of Crime in Incredible Hulk #3
 * Clea in Strange Tales #126 (name is only revealed in #146)
 * Cletus Kasady in The Amazing Spider-Man #345
 * Cloak in The Spectacular Spider-Man #64
 * Cobalt Man in X-Men #31
 * Cobra in Journey into Mystery #98
 * Cobweb in Sleepwalker #3
 * Colonel Armbuster in The Incredible Hulk #164
 * Collector in Avengers #28
 * Colleen Wing in Marvel Premiere #19
 * Colossus in Giant-Size X-Men #1
 * Constrictor in Incredible Hulk #212
 * Contessa Valentina Allegra de la Fontaine in Strange Tales #159
 * Count Nefaria in Avengers #13
 * Crimson Dynamo:
 * Anton Vanko: Tales of Suspense #46
 * Dmitri Bukharin: Iron Man #109
 * Crossbones in Captain America #359 (in costume #360)
 * Crossfire in Marvel Two-in-One #52
 * Crusader in Thor #330
 * Crystal in Fantastic Four #45
 * Cyber in Marvel Comics Presents #85
 * Cyclops in X-Men #1

D

 * Dagger in The Spectacular Spider-Man #64
 * Daimon Hellstrom (Son of Satan) in Ghost Rider # 1
 * Daken in Wolverine Origins # 10
 * Dakota North in Dakota North #1
 * Damage Control in Marvel Comics Presents #19
 * Daredevil in Daredevil #1
 * Dark Angel in Hell's Angel #1
 * Darkhawk in Darkhawk #1
 * Darkhold Redeemers in Darkhold #1
 * Dazzler in Uncanny X-Men #130, February 1980
 * Deadpool in New Mutants #98
 * Deadzone in Moon Knight #47
 * Deathbird in Ms. Marvel #9
 * Deathwatch in Ghost Rider Vol.2 #1
 * Death's Head in Dragon's Claws #5
 * Death Metal in Death3 #1
 * Deathlok in Astonishing Tales'' #25
 * Debra Whitman in The Amazing Spider-Man #196
 * Defenders in Marvel Feature #1
 * Delilah in The Amazing Spider-Man #414
 * Demogoblin in ''Web of Spider-Man #86
 * Destiny
 * as Paul Destine (behind the scenes) in Tales to Astonish #101; (actual) in Iron Man and Sub-Mariner #1, April 1968
 * as a Marvel Comics personification in Marvel Two-in-One #6, November 1974
 * as Irene Adler in Uncanny X-Men #141, January 1981
 * Destroyer
 * Golden Age hero: Mystic Comics #6, October 1941
 * Marvel Comics villain: Strange Tales #101, October 1962
 * Thor character: Journey into Mystery #118, July 1965
 * Deviants in The Eternals #1
 * Diablo in Fantastic Four #30
 * Diamondback in Captain America #310
 * Die-Cut in Deaths Head & Die Cut #1
 * Dire Wraith in ROM #1
 * Doc Samson in Incredible Hulk #141
 * Doctor Doom in Fantastic Four #5
 * Doctor Druid in Amazing Adventures #1
 * Doctor Faustus in Captain America #107
 * Doctor Octopus in The Amazing Spider-Man #3
 * Doctor Strange in Strange Tales #110
 * Domino in New Mutants #98
 * Dormammu in Strange Tales #126
 * Dracula in Tomb of Dracula #1
 * Dragon Man in Fantastic Four #35
 * Drax the Destroyer in Iron Man #55
 * Dreadnought in Strange Tales #154
 * D'Spayre in Marvel Team-Up #68

E

 * Earth Force in Thor #395
 * Echo in Daredevil (vol. 2) #9
 * Eddie Brock (Venom) in The Amazing Spider-Man #298
 * Edwin Jarvis in Tales of Suspense #59
 * Eel
 * I: in Strange Tales #112
 * II: in Power Man and Iron Fist #92
 * Egghead in Tales to Astonish #38
 * Ego in Thor #132
 * Electro in The Amazing Spider-Man #9
 * Elektra in Daredevil #168
 * Empire State University in The Amazing Spider-Man #31
 * Enchantress in Journey into Mystery #103
 * Epoch in Quasar #27
 * The Eternals in The Eternals #1
 * Eternity in Strange Tales #138
 * Executioner in Journey into Mystery #103
 * Ezekiel in The Amazing Spider-Man vol.2 #30
 * Ezekiel Stane in The Order #8

F

 * Falcon in Captain America #117
 * Famine in X-Factor #12
 * Fantomex in New X-Men #128
 * Fandral in Journey into Mystery #119
 * Fantasti-Car in Fantastic Four #3
 * Fantastic Four in Fantastic Four #1
 * Femme Fatales in The Amazing Spider-Man #340
 * Feral in New Mutants #99
 * Fin Fang Foom in Strange Tales #89
 * Firebird in Incredible Hulk #265
 * Firelord in Thor #225
 * Firestar (TV first appearance)
 * Spider-Man and His Amazing Friends, episode 1: "The Triumph of the Green Goblin" (original airdate: December 1981)
 * in comics: Spider-Man and His Amazing Friends #1, December 1981
 * Flash Thompson in Amazing Fantasy #15
 * Foggy Nelson in Daredevil #1
 * Foolkiller in Foolkiller #1
 * Forge in Uncanny X-Men #184
 * Forgotten One in The Eternals #13
 * Franken-Castle Punisher re-assembled by Morbius in Punisher 2009 #11
 * Franklin Richards in Fantastic Four Annual #6
 * Frightful Four in Fantastic Four #36

G

 * Gaea in Doctor Strange #6
 * Galactus in Fantastic Four #48
 * Gambit in Uncanny X-Men #266
 * Gamora in Strange Tales #180
 * Gardener in Marvel Team-Up #55
 * Gargantus in Tales of Suspense #40
 * Gargoyle in The Incredible Hulk #1
 * Gazer in X-Men (vol. 2) #169
 * Garokk in Astonishing Tales #2
 * Geirrodur in Journey into Mystery #101
 * General Ryker in The Incredible Hulk vol.3 #12
 * General "Thunderbolt" Ross in Incredible Hulk #1
 * Ghaur in Eternals (vol. 2) #2
 * Ghost Rider
 * as John "Johnny" Blaze in Marvel Spotlight #5
 * as Danny Ketch in Ghost Rider (vol. 2) #1
 * as Robbie Reyes in All New Ghost Rider #1
 * Gideon in New Mutants #98
 * Gladiator (Melvin Potter) in Daredevil #18
 * Glob in Incredible Hulk #121
 * Glorian in Incredible Hulk #191
 * Glory Grant in The Amazing Spider-Man #140
 * Goddess in Infinity War #6
 * Gorgon in Fantastic Four #44
 * Grand Director
 * as 50s Captain America: Captain America #153
 * as Grand Director: Captain America #232
 * Grandmaster in The Avengers #69
 * Gravity in Gravity #1
 * Green Goblin
 * as Norman Osborn II in The Amazing Spider-Man #14
 * as Harold (Harry) Osborn in The Amazing Spider-Man #136
 * Graydon Creed in Uncanny X-Men #299
 * Gremlin in Incredible Hulk #163
 * Grey Gargoyle in Journey into Mystery #107
 * Grim Reaper in Avengers #52
 * Grizzly in The Amazing Spider-Man #139
 * Groot in Tales to Astonish vol. 1 #13 (1960)
 * Gwen Stacy in The Amazing Spider-Man #31

H

 * Hades (see Pluto)
 * Hammerhead (comics) in The Amazing Spider-Man #113
 * Happy Hogan in Tales of Suspense #45
 * Hardcore in Cage #1
 * Hate Monger in Avengers #341
 * Havok:
 * as Alex Summers in Uncanny X-Men #54
 * as Havok in Uncanny X-Men #57
 * Hawkeye in Tales of Suspense #57
 * Heart Attack in Ghost Rider #8
 * Heimdall in Journey into Mystery #85
 * Hel in Thor #176
 * Hela in Journey into Mystery #102
 * Heliopolis in Thor #240
 * Hellfire Club in X-Men #129
 * Hellstorm (as Daimon Hellstrom) in Ghost Rider (vol. 2) #2
 * HellCat (Patsy Walker) in Avengers #144
 * Henry Pym in Tales to Astonish #27, January 1962
 * as Ant-Man in Tales to Astonish #35, September 1962
 * as Giant-Man in Tales to Astonish #49, November 1963
 * Her in Marvel Two-in-One #61
 * Hercules in Journey into Mystery Annual #1
 * High Evolutionary in Thor #134
 * Hobgoblin in The Amazing Spider-Man #238
 * Hoggoth (see Vishanti) in Strange Tales #116
 * Hogun in Journey into Mystery #119
 * Holocaust in X-Men: Alpha
 * Hope Summers in X-Men #205 Nov. 2007
 * Horsemen of Apocalypse in X-Factor #15
 * Howard Stark in Iron Man #28
 * Howard the Duck in Adventure into Fear #19
 * Hulk in Incredible Hulk #1
 * Human Cannonball in Incredible Hulk #3
 * Human Torch
 * I: Jim Hammond in Marvel Comics #1, October 1939
 * Silver Age reappearance in Fantastic Four Annual #4, 1966
 * II: Johnny Storm in Fantastic Four #1, November 1961
 * Humbug in Web of Spider-Man #19
 * HYDRA in Strange Tales #135
 * Hydro-Man in The Amazing Spider-Man #212
 * Hyperion in The Avengers #69
 * as Zhib-Ran (in Squadron Sinister) in The Avengers #69, October 1969
 * as Mark Milton (in Squadron Supreme) in The Avengers #85, February 1971

I

 * Iceman in X-Men #1
 * Idie in Uncanny X-Men #528
 * Ikaris in Eternals #1
 * Impossible Man in "Fantastic Four" #11
 * Impossible Woman in Marvel Two-in-One #60
 * Impulse (Also known as Psionex) in New Warriors #4
 * Impulse (Also known as Pulsar) in X-Men #107 (Oct 1977)
 * In-Betweener in Warlock #10
 * Inhumans in Fantastic Four #45
 * Interloper in Defenders #147
 * Invisible Woman in Fantastic Four #1
 * Iron Fist in Marvel Premiere #15
 * Iron Man in Tales of Suspense #39
 * Iron Man 2020 in Machine Man Vol.2 #2
 * Iron Monger
 * as Obadiah Stane: Iron Man #163
 * as Iron Monger: Iron Man #200
 * Isaiah Bradley in Truth: Red, White & Black #1
 * Isis in Thor #240
 * It the Living Colossus in Tales of Suspense #14

J

 * J. Jonah Jameson in The Amazing Spider-Man #1
 * Janice Lincoln in Captain America #607
 * Jarella in The Incredible Hulk vol.2 #140
 * Jeffrey Mace (Patriot) in Human Torch Comics #4
 * Jessica Jones in Alias #1
 * Jester in Daredevil #42
 * Jigsaw in The Amazing Spider-Man #161
 * Jim Wilson in Incredible Hulk vol.2 #131
 * Jocasta in Avengers #162
 * Joe "Robbie" Robertson in The Amazing Spider-Man #57
 * Joseph in Uncanny X-Men #327
 * Jotunheim in Journey into Mystery #114
 * Jubilee in Uncanny X-Men #244
 * Judas Traveller in Web of Spider-Man #117
 * Juggernaut in X-Men #12

K

 * Kang the Conqueror in Avengers #8
 * as Rama-Tut: Fantastic Four #19
 * Kaine in Web of Spider-Man #119
 * Karen Page in Daredevil #1
 * Karma in Marvel Team-Up #100
 * Karnak in Fantastic Four #45
 * Karnilla in Journey into Mystery #107
 * Kate Cushing in The Amazing Spider-Man #270
 * Ka-Zar in Marvel Comics #1, October 1939
 * Kid Gladiator in Wolverine & the X-Men #1
 * Killer Shrike in Rampaging Hulk #1
 * Kingpin in The Amazing Spider-Man #50
 * Kirigi in Daredevil #174
 * Kitty Pryde in Uncanny X-Men #129
 * Klaw in Fantastic Four #53
 * Korvac in Giant-Size Defenders #1
 * Kraven the Hunter in The Amazing Spider-Man #15
 * The Kree in Fantastic Four #65
 * Kro in Eternals #1
 * Kurse in Thor #347
 * Kylun in Excalibur #47

L

 * Lady Bullseye in Daredevil vol.2 #111
 * Lady Deadpool in Deadpool: Merc with a Mouth #7
 * Lady Deathstrike in Alpha Flight #33
 * The Lava Men in Journey into Mystery #97
 * Leader in Tales to Astonish #62
 * Leap-Frog in Daredevil #25
 * Legacy (Also known as Captain Marvel and Photon) in Silver Surfer Annual #6 (October 1993)
 * Leech in Uncanny X-Men #179
 * Lightmaster in The Spectacular Spider-Man #3
 * Lilith in Ghost RiderVol. 2 #28
 * Living Tribunal in Strange Tales #157
 * Living Laser in Avengers #34
 * Living Lightning in West Coast Avengers #63
 * Liz Allan in Amazing Fantasy #15; named The Amazing Spider-Man #4
 * Lizard in The Amazing Spider-Man #6
 * Lockheed in X-Men #166
 * Lockjaw in Fantastic Four #45
 * Loki in Journey into Mystery #85
 * Longshot in Longshot #1
 * Lord Chaos in Marvel Two-in-One #2
 * Lorelei in Thor #337
 * Lucifer in X-Men #9
 * Luke Cage in Luke Cage, Hero for Hire #1
 * Luna in Fantastic Four #240
 * Lyja in Fantastic Four #357

M

 * M in Uncanny X-Men #316
 * Maa-Gor in X-Men #10
 * MACH IV (as Beetle) in Strange Tales #123
 * Machine Man in 2001: A Space Odyssey #8
 * Mad-Dog (as Robert "Buzz" Baxter) in Amazing Adventures #13
 * Madame Masque
 * as Big M in Tales of Suspense #97
 * as Whitney Frost in Tales of Suspense #98
 * Madame Web in The Amazing Spider-Man #210
 * Madelyne Pryor in Uncanny X-Men #168
 * Madman
 * as Philip Stern in Incredible Hulk #363
 * as Madman in Incredible Hulk #364
 * Mad Thinker in Fantastic Four #15
 * Maelstrom in Marvel Two-In-One # 71
 * Maggia in Avengers #13
 * Maggott in Uncanny X-Men #345
 * Magik in Giant-Size X-Men #1
 * Magma in New Mutants #8
 * Magneto in X-Men #1
 * Magus in Strange Tales #178
 * Major Victory in Marvel Super-Heroes #18
 * Makkari in Eternals #5
 * Malekith in Thor #344
 * Malevolence "Mephisto's Daughter" in Guardians of the Galaxy #7
 * Mania the symbiote in Venom (comics) vol. 2 # 38, featured on the cover of #40
 * Man-Beast in Thor #135
 * Man-Bull in Daredevil #78
 * Man-Thing in Savage Tales #1
 * Man-Wolf (John Jameson) in The Amazing Spider-Man #124
 * Mandarin in Tales of Suspense #50
 * Mandrill in Shanna the She-Devil #4
 * Mantis in Avengers #112
 * Maria Hill in New Avengers #4
 * Marlene Alraune in Incredible Hulk #11
 * Marvel Boy (Noh-Varr) in Marvel Boy #1
 * Marvel Girl (Jean Grey) in X-Men #1
 * Marvel Man (Quasar) in Captain America #217
 * Mary Jane Watson in The Amazing Spider-Man #25
 * Masked Marauder in Daredevil #16
 * The Masked Raider in Marvel Comics #1, October 1939
 * Mastermind in X-Men #4
 * Master Mold in X-Men #15
 * Master Order in Marvel Two-in-One #2
 * Masters of Evil in The Avengers #6
 * Matador in Daredevil #5
 * May Parker in Amazing Fantasy #15
 * Maximus in Fantastic Four #47
 * Medusa in Fantastic Four #36
 * Meltdown in Secret Wars II #5
 * Meggan in New Mutants Annual #2
 * Melter in Tales of Suspense #47
 * Mentallo in Strange Tales #141
 * Mentor
 * I: A'lars in Iron Man #55
 * II: android in X-Men #107
 * Merlin
 * I: Black Knight Comics #1; (modern) Strange Tales #134
 * II: Journey into Mystery #96
 * III: Captain Britain #1; (American) Marvel Team-Up #65
 * Mephisto (comics) in Silver Surfer #3
 * Micromax in Excalibur #44
 * Mikhail Rasputin in Uncanny X-Men #285 (first mentioned Uncanny X-Men #99)
 * Milla Donovan in Daredevil vol.2 #41
 * The Mindless Ones in Strange Tales #127
 * Mindworm in The Amazing Spider-Man #138
 * Mimic in X-Men #19
 * Minotaur in The Avengers #17
 * Mirage in Marvel Graphic Novel #4
 * Mirage in The Amazing Spider-Man #156
 * Missing Link in Incredible Hulk #105
 * Mister Fear in Daredevil #6
 * Mister Hyde in Journey into Mystery #99
 * Mister Sinister in Uncanny X-Men #221
 * Misty Knight in Marvel Team-Up #1 (named in Marvel Premiere #20)
 * Mockingbird (Barbara "Bobbi" Morse-Barton) in Astonishing Tales #6, June 1971
 * Huntress in Marvel Super Action #1, January 1976
 * Mockingbird in Marvel Team-Up #95, July 1980
 * MODOK in Tales of Suspense #94
 * Moira MacTaggert in Uncanny X-Men #96
 * Mojo in Longshot #3
 * Mole Man in Fantastic Four #1
 * Molecule Man in Fantastic Four #20
 * Molten Man in The Amazing Spider-Man #28
 * Moon Knight in Werewolf by Night #32
 * Moondragon in Iron Man #54
 * Moonstone
 * I: in Captain America #192
 * II: as Moonstone in Incredible Hulk #228
 * II: as Meteorite in Incredible Hulk #449
 * Morbius, the Living Vampire in The Amazing Spider-Man #101
 * Morg in Silver Surfer # 70
 * Morgan Stark in Tales of Suspense #68
 * Morlocks in Uncanny X-Men #169
 * Morlun in The Amazing Spider-Man vol.2 #30
 * Moses Magnum in Giant Size Spider-Man # 4
 * Ms. Marvel in Marvel Super-Heroes #13
 * Motormouth in Motormouth #1
 * Multiple Man in Giant Size Fantastic Four #4
 * Mutant 2099 in Mutant 2099 (one-shot)
 * Mysterio in The Amazing Spider-Man #13
 * Mystique
 * I: as Raven Darkholme in Ms. Marvel #16
 * II: as Mystique in Ms. Marvel #18

N

 * Namor the Sub-Mariner
 * (original creation, for unpublished comic) Motion Picture Funnies Weekly, 1939
 * (Golden Age) Marvel Comics #1, October 1939
 * (modern) in Fantastic Four #4
 * Namorita in Sub-Mariner #50
 * Nebula in Avengers #257
 * Necrom in Excalibur #45
 * Ned Leeds in ''The Amazing Spider-Man #18
 * Negative Zone in Fantastic Four #51
 * The New Mutants in Marvel Graphic Novel #4
 * New Warriors in Thor #411, December 1989
 * Nick Fury in Sgt. Fury and His Howling Commandos #1
 * Night Thrasher in Thor #411
 * Nightcrawler in Giant-Size X-Men #1
 * Nightmare in Strange Tales #110
 * Nimrod in Uncanny X-Men 191
 * Nitro in Captain Marvel #34
 * Nomad (Jack Monroe) in Captain America #282
 * as 50s Bucky: Captain America #153
 * Nova (Richard Rider) in Nova #1 vol 1
 * Nova (Sam Alexander) in Marvel Point One one-shot (2011)
 * Nova (Frankie Raye) in Fantastic Four #164
 * Nuke (Frank Simpson) in Daredevil #232

O

 * Occulus in Fantastic Four #363
 * Odin in Journey into Mystery #86
 * Olympus in Journey into Mystery Annual #1
 * Omega Red in X-Men (vol. 2) #4
 * Onslaught in X-Man #15
 * Orb in Marvel Team Up #15
 * Orka in Sub-Mariner #23
 * Oshtur (reference only) in Strange Tales #120
 * Outlaw in Deadpool Vol. 1 #65 (May 2002)
 * Overmind in Fantastic Four #113
 * Ovoids in Fantastic Four #10
 * Owl in Daredevil #3

P

 * Pantheon in Incredible Hulk #368
 * Patrick Mulligan (Toxin) in Venom Vs. Carnage #1
 * Patsy Walker in Miss America Magazine #2, November 1944 (see Hellcat)
 * Penance in Generation X #1
 * Pepper Potts in Tales of Suspense #45
 * Phaeder in Marvel Two-in-One #71
 * Phalanx in ''Uncanny X-Men' #305
 * Phantom Rider
 * I: Carter Slade in Ghost Rider #1
 * II: Jamie Jacobs in Western Gunfighters #7
 * III: Marshall Lincoln Slade in Western Gunfighters #7
 * IV: Reno Jones in Gunhawks #1
 * V: Hamilton Slade in Ghost Rider #56 (May 1981)
 * Phoenix
 * as Jean Grey in X-Men #101
 * as Rachel Summers in Uncanny X-Men #141
 * Photon
 * as Genis-Vell in (Also known Captain Marvel and Legacy) New Thunderbolts #6 (May 2005)
 * as Monica Rambeau in Avengers #5 (June 1996)
 * Pip the Troll in Strange Tales #179
 * Plague in Uncanny X-Men #169
 * Plantman in Strange Tales #113
 * Pluto in Thor #127
 * Polaris in X-Men #49
 * Porcupine in Tales to Astonish #48
 * Proctor in Avengers #344
 * Professor Power in Marvel Team-Up #117
 * Professor Warren in The Amazing Spider-Man #31
 * As Jackal: The Amazing Spider-Man #129
 * Professor X in X-Men #1
 * Prowler in The Amazing Spider-Man #78
 * Psycho Man in Fantastic Four King-Sized Special #6
 * Psylocke in Captain Britain #8 as Ninja Psylocke in UncannyX-Men #256
 * Puck in Alpha Flight #1
 * Pulsar(Marvel Comics)|Pulsar
 * As Monica Rambeau in ""New Thunderbolts'' #9 (August 2005)
 * As Pulsar (Also known as Impulse) X-Men #107 (Oct 1977)
 * Puma in The Amazing Spider-Man #256
 * Punisher in The Amazing Spider-Man #129
 * Puppet Master in Fantastic Four #8
 * Purple Man in Daredevil vol.1 #4
 * Pyro in Uncanny X-Men #141

Q

 * Qnax in Tales to Astonish #73
 * Quasar in Incredible Hulk #234
 * Quasimodo in Fantastic Four Annual #4
 * Quicksilver in X-Men #4

R

 * Radioactive Man in Journey into Mystery #93
 * Rage in Avengers #326
 * Ransak the Reject in Eternals #8
 * Random in X-Factor #88
 * Red Ghost in Fantastic Four #13
 * Red Guardian in Avengers #44
 * Red Skull in  Captain America #7
 * Reed Richards (Mister Fantastic) in ''The Fantastic Four #1
 * Rhino in The Amazing Spider-Man #41
 * Richard Parker in The Amazing Spider-Man Annual #5
 * Rick Jones in The Incredible Hulk #1
 * The Rigellians in Thor #129
 * Rikki Barnes in Captain America vol.2 #1
 * Ringmaster in Hulk #3
 * Rocket Raccoon in Marvel Preview # 7
 * Rogue in Avengers Annual #10
 * Rom in ROM #1
 * Ronin in New Avengers #11 (identity revealed as Echo in #13) Other Marvel Characters such as Hawkeye use this identity.
 * Rose in The Amazing Spider-Man #83

S

 * Sabretooth in Iron Fist #14
 * Salem's Seven in Fantastic Four #186
 * Sandman in Amazing Spider-Man #4
 * Sarcen in Punisher War Journal #25
 * Sasquatch in Uncanny X-Men #120
 * Satana in Vampire Tales #2
 * Sauron in X-Men #60
 * Scarecrow
 * as Ebenezer Laughton in Tales of Suspense #51, March 1964
 * as Straw Man in Dead of Night #11, August 1975
 * Scarlet Witch in X-Men #4
 * Scarlet Spider (Benjamin Ben Reilly) in The Amazing Spider-Man #149
 * Scrier in The Spectacular Spider-Man #217
 * Scorpion in The Amazing Spider-Man #20
 * Sebastian Shaw in Uncanny X-Men #129
 * The Sentinels in X-Men #14
 * Sentry in The Sentry #1
 * Serpent Crown (as Helmet of Power) in Tales to Astonish #101
 * Serpent Squad in Captain America #163
 * Sersi in Eternals #3
 * Seth in Thor #240
 * Shadow King:
 * as Amahl Farouk: Uncanny X-Men #116
 * as Shadow King: Uncanny X-Men #265
 * Sharon Carter in Tales of Suspense #75
 * Shatterstar in New Mutants #99
 * She-Hulk in Savage She-Hulk #1
 * She-Thing
 * as Sharon Ventura in The Thing #27
 * as Ms Marvel in The Thing #35
 * as She-Thing in Fantastic Four #310
 * Shiva in Wolverine vol. 2 #50
 * Shock in Daredevil #314
 * Shocker in The Amazing Spider-Man #46
 * Shuma-Gorath in Marvel Premiere #5
 * Siege in Deathlok #19
 * Sif in Journey into Mystery #102
 * Silk in The Amazing Spider-Man vol. 3 #4
 * Silverclaw in Avengers vol. 3 #8
 * Silver Galactus in Last Planet Standing #5 where Silver Surfer and Galactus combine
 * Silver Sable in The Amazing Spider-Man #265
 * Silver Samurai in Daredevil #111
 * Silver Surfer in Fantastic Four #48
 * Silverman in The Amazing Spider-Man #73
 * Sin in Captain America #290
 * Sin-Eater in The Spectacular Spider-Man #107
 * Siryn in Spider-Woman #37
 * Sisters of Sin in Captain America #294
 * Skaar in World War Hulk # 5
 * The Skrulls in Fantastic Four #2
 * Slapstick in Slapstick #1
 * Slayback in Deadpool #4
 * Sleepwalker in Sleepwalker #1
 * Slug in Captain America #325
 * Slyde in The Amazing Spider-Man #272
 * Solo in Web of Spider-Man #19
 * Songbird
 * as Screaming Mimi in Marvel Two-in-One #54
 * as Songbird in Incredible Hulk #449
 * Sons of the Serpent in Avengers #32
 * Space Phantom in The Avengers vol.1 #2
 * Spectrum (Also known as Pulsar, Photon, and Captain Marvel) in Mighty Avengers Vol. 2 #1 (November 2013)
 * Speedball in The Amazing Spider-Man Annual #22
 * Sphinx in New Warriors #4
 * Spider-Girl in What If...? #105
 * Spider-Girl Ashley Barton (Earth-807128) in Wolverine vol.3 #67
 * Spider-Gwen Gwendolyne Stacy (Earth-65) in Edge of Spider-Verse #2
 * Spider-Kid in The Amazing Spider-Man #263
 * Spider-Man in Amazing Fantasy #15
 * Spider-Woman
 * I: Jessica Drew in Marvel Spotlight #32
 * II: Julia Carpenter in Marvel Super Heroes Secret Wars #6
 * III: Mattie Franklin in Spectacular Spider-Man #263
 * Spiral in Longshot #1
 * Splice in Wonder Man # 4
 * Spymaster
 * I: in Iron Man #33
 * II: in Iron Man #254
 * Squadron Sinister in Avengers #69
 * Squadron Supreme in Avengers #85-86
 * Squirrel Girl in Marvel Super-Heroes Vol 2 #8
 * Star-Lord in Marvel Previews #4
 * Starfox (Eros) in Iron Man #55
 * Starhawk in Defenders #27
 * Stark Industries in Tales of Suspense #40
 * Starr Saxon in Daredevil #49
 * Stick in Daredevil #176
 * Stilt-Man in Daredevil #8
 * Stingray
 * as Walter Newell in Tales to Astonish #95, September 1967
 * as Stingray in Sub-Mariner #19, November 1969
 * Storm in Giant-Size X-Men #1
 * Stranger in X-Men #11
 * Strong Guy in New Mutants Annual #1
 * Stryfe in New Mutants #87
 * Sunfire in X-Men #64
 * Super-Adaptoid in Tales of Suspense #82
 * Superior Spider-Man in The Amazing Spider-Man #697
 * Superior Venom in The Superior Spider-Man #24
 * Surtur in Journey into Mystery #97
 * Swordsman in Avengers #19

T

 * Major/Colonel Glenn Talbot in Tales to Astonish #61
 * Talon in Guardians of the Galaxy # 18
 * Tarantula in The Amazing Spider-Man #134
 * Taskmaster in Avengers #195
 * Techno (as Fixer) in Strange Tales #141
 * Terrax in Fantastic Four #211
 * Terror Inc. in Terror Inc. #1
 * Thanos in Iron Man #55
 * Thena in Eternals #5
 * The Thing in The Fantastic Four #1
 * Thor in Journey into Mystery #83
 * Thor Girl in Thor (vol. 2) #22 (as "Thor Girl" in #33)
 * Thunderbird in Giant-Size X-Men #1
 * Thunderbolts in Incredible Hulk #449
 * Thunderstrike (Eric Masterson) in Thor #391
 * Thundra in Fantastic Four #129
 * Tiger Shark in Sub-Mariner #5
 * Tigra in Tigra: Giant-Size Creatures #1 (see the Cat)
 * Titania
 * I: Davida DeVito in Marvel Two-in-One #54
 * II: Mary MacPherran in Marvel Super Heroes Secret Wars #3
 * Titanium Man in Tales of Suspense #69
 * Toad in X-Men #4
 * Tombstone in Web of Spider-Man #36
 * Toxin in Venom Vs. Carnage
 * Transformers in The Transformers #1
 * Trapster:
 * as Paste-Pot Pete: Strange Tales #104
 * as Trapster: Fantastic Four #38
 * Trevor Fitzroy in X-Men #281
 * Triton in Fantastic Four #45
 * Turbo in New Warriors #28
 * Typhoid Mary in Daredevil #254
 * Tyr in Journey into Mystery #85
 * Tyrannus in Incredible Hulk #5

U

 * U-Foes in Incredible Hulk #254
 * Uatu the Watcher in The Fantastic Four #13
 * Ulik in Thor #137
 * Ultron in Avengers #54
 * Umar in Strange Tales #150
 * Uncle Ben in Amazing Fantasy #15
 * Unus the Untouchable in X-Men #8
 * Uni-Mind in Eternals #12
 * Unicorn in Tales of Suspense #56
 * Union Jack
 * I: in Invaders #7
 * II: in Invaders #20
 * III: in Captain America #254
 * Ursa Major in Incredible Hulk #258
 * U.S. Agent in Captain America #323

V

 * Valeria Von Doom in Fantastic Four vol.3 #15
 * Valkyrie in Avengers #83
 * Vanisher in X-Men #2
 * Vengeance in Ghost Rider Volume 2 #21
 * Venom in The Amazing Spider-Man #299
 * Vermin in Captain America #272
 * Vindicator in Uncanny X-Men #120
 * Viper (Jordan Dixon) in Captain America #157
 * Viper (Madame Hydra):
 * as Madame Hydra: Captain America vol.1 #110
 * as Viper: Captain America #180
 * The Vishanti in Strange Tales #115
 * Vision in Avengers #57
 * Volstagg in Journey into Mystery #119
 * Vulture in The Amazing Spider-Man #2
 * Volcana in The Secret Wars #3

W

 * Wakanda in Fantastic Four #52
 * War
 * as Abraham Kieros in X-Factor #11
 * War Machine (James Rupert Rhodes)
 * as James "Rhodey" Rhodes in Iron Man #118, January 1979
 * as Iron Man in Iron Man #170, May 1983
 * as War Machine in Iron Man #282, September 1992
 * Warlord Krang in Fantastic Four Annual #1, 1963
 * Warpath
 * as Thunderbird II: New Mutants #16
 * as Warpath: New Mutants #99
 * Wasp in Tales to Astonish #44
 * The Watchers in Fantastic Four #13
 * Weapon Omega in Alpha Flight #11
 * Wendigo in Incredible Hulk #162
 * Werewolf by Night in Marvel Spotlight #2
 * Whiplash
 * Mark Scarlotti: Tales of Suspense #97 (as Whiplash), Iron Man #146 (as Blacklash)
 * Anton Vanko: Iron Man vs Whiplash #1
 * White Dragon in The Amazing Spider-Man #184
 * White Tiger
 * I: Hector Ayala in Deadly Hands of Kung Fu #19
 * II: White Tiger (Heroes for Hire) in Heroes for Hire #1
 * III: Kasper Cole in Black Panther vol.3 #50
 * IV: Angela Del Toro in Daredevil vol.2 #50
 * V: Ava Ayala in Avengers Academy #20
 * Whirlwind (as Human Top) in Tales to Astonish #50
 * Whizzer
 * I: Robert Frank in USA Comics #1, August 1941
 * II: Jame Sanders in The Avengers #69, October 1969
 * III: Stanley Stewart in The Avengers #85, March 1971
 * White Queen (Emma Frost) in Uncanny X-Men #129
 * Wild Thing in Wild Thing #1
 * William Naslund (Spirit of '76) in The Invaders #14
 * Willie Lumpkin in Fantastic Four #11
 * Wizard in Strange Tales #102
 * Wolfsbane in New Mutants Graphic Novel
 * Wolverine in Incredible Hulk #180 (cameo), #181 (on cover & full appearance)
 * Wonder Man in Avengers #9
 * Wong in Strange Tales #110 (named in Strange Tales #127)
 * Wraith
 * I: in Marvel Team-Up #48
 * II: in Wolverine vol. 2 #48
 * Wrecker in Thor #148
 * Wundagore
 * I: in Thor #134
 * II: in Tales to Astonish #94
 * Wyatt Wingfoot in Fantastic Four #50

X

 * X-51, Machine Man in 2001: A Space Odyssey #8, July 1977
 * X-23 in April 1994 and Nyx #3 (full), February 2004
 * X-Man (Nate Grey) in X-Men: Alpha
 * The X-Men in X-Men #1
 * Xemnu the Titan in Journey into Mystery #62

Y

 * The Yancy Street Gang in Fantastic Four #11
 * Yellow Claw
 * in Marvel predecessor Atlas Comics: Yellow Claw #1
 * as telepathic "voice" in Strange Tales #160
 * as robot in Strange Tales #161
 * Yellowjacket
 * as Henry Pym in Avengers #59, December 1968
 * as Rita DeMara (villain) in Avengers #264
 * Yukio in Wolverine #2

Z

 * Zabu in X-Men #10
 * Zarrko, the Tomorrow Man, in Journey into Mystery #86
 * Zeus in Journey into Mystery Annual #1
 * Zodiak in Ghost Rider vol.2 #10
 * Zombie in Menace #5
 * Zuras in Red Raven Comics #1 1940
 * Zzzax in Incredible Hulk #166

Ultimate imprint

 * Spider-Man in Ultimate Spider-Man #1
 * Hulk in Ultimate Marvel Team-Up #2
 * Cyclops in Ultimate X-Men #1
 * Professor X in Ultimate X-Men #1
 * Jean Grey in Ultimate X-Men #1
 * Beast in Ultimate X-Men #1
 * Iceman in Ultimate X-Men #1
 * Storm in Ultimate X-Men #1
 * Colossus in Ultimate X-Men #1
 * Iron Man in Ultimate Marvel-Team-Up #4
 * Punisher in Ultimate Marvel-Team-Up #6
 * Daredevil in Ultimate Marvel-Team-Up #7
 * Man-Thing in Ultimate Marvel-Team-Up #8
 * Blade in Ultimate Spider-Man Super Special
 * Captain America in The Ultimates #1
 * Falcon in Ultimate Nightmare #1
 * Captain Marvel in Ultimate Secret #1