Issue: #341
Last valuation update: 2026-10-22
The Legion of Super-Heroes defeat Computer. Triplicate Girl becomes Duo Damsel.
Creators: Bill Finger, Sheldon Moldoff, Curt Swan, Al Plastino, Edmond Hamilton
Characters: Superman, Thom Kallor, Bouncing Boy, Brainiac 5, Chameleon Boy, Colossal Boy, Cosmic Boy, Lightning Lad, Sun Boy, Saturn Girl, Ultra Boy, Duplicate Girl, Phantom Girl, Invisible Kid, Shrinking Violet, Lightning Lass, Matter-Eater Lad, Proty II, Mon-El