Tonight I'm doing my duty as a son, not as a Legionnaire. And the Legion Code be hanged. 
Legion of Super-Heroes (Volume 2) #297 is an issue of the series Legion of Super-Heroes (Volume 2) with a cover date of March, 1983. It was published on December 23, 1982.
Synopsis for "Mettle"
With Cosmic Boy's mother dead and his father and brother injured, the hero takes off on a mission of revenge, and the Legion can't seem to stop him.
Appearing in "Mettle"
Featured Characters:
- Legion of Super-Heroes
- Brainiac 5
- Chameleon Boy (powerless)
- Cosmic Boy (Origin)
- Lightning Lad (Flashback and main story)
- Saturn Girl (Flashback only)
- Matter-Eater Lad
- Phantom Girl
- Sun Boy
- Timber Wolf
- Ultra-Boy
Supporting Characters:
Antagonists:
- Cyfril
- a fireballer
Other Characters:
- Science Police
- Doctor Gym'll
- Doctor Chang
- Ewa Krinn (Cosmic Boy's mother) (Dies)
- Hu Krinn (Cosmic Boy's father)
- Pol Krinn(Cosmic Boy's brother)
Locations:
- United Planets
- Legion Clubhouse (Flashback only)
- Medi-Complex
Vehicles:
- Airbus
- Takron-Galtos Shuttle
Notes
- The issue recaps his origin, joining the Legion and meeting Night Girl.
See Also