Appearing in "The Mystery of X"Edit
- Mister X
- "King Arthur"
- Various thugs
- Mr. X/Ray Deacon/"The Midnight Slasher"
- "Jumpin' Jack Flash"
- Nazis (Only in flashback)
- Un-named NYPD Lt.
Synopsis for "The Mystery of X"Edit
- Synopsis not yet written.
- This issue contains a letters page: Letters to the Living Legend. Letters are published from Jim Jackson, Mark Quinian, and Andrew Johnston.
- Ink credits are listed as "John Beatty and Company". Other inkers who assisted on this issue include: Jack Abel, Mike Esposito, and Josef Rubinstein.
- No trivia.
- Write your own review of this comic!
- Discuss Captain America Vol 1 271 on the forums
- Cover gallery for the Captain America series
Links and ReferencesEdit
- The Grand Comics Database: Captain America #276 
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