Appearing in "Mettle"Edit
- Legion of Super-Heroes
- a fireballer
- Science Police
- Doctor Gym'll
- Doctor Chang
- Ewa Krinn (Cosmic Boy's mother) (Death)
- Hu Krinn (Cosmic Boy's father)
- Pol Krinn (Cosmic Boy's brother)
- United Planets
- Legion Clubhouse (Appears in flashback and main story)
- Takron-Galtos Shuttle
Synopsis for "Mettle"Edit
- Synopsis not yet written.
- No special notes.
- No trivia.
- Write your own review of this comic!
- Discuss Legion of Super-Heroes Vol 2 297 on the forums
- Cover gallery for the Legion of Super-Heroes series
Links and ReferencesEdit
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