Issue: #344
Last valuation update: 2026-10-22
The Legionnaires are held captive in a prison camp by android aliens.
First appearances: Shadow Kid, Blockade Boy, Nardo, Weight Wizard, Plant Kid
Creators: Jerry Siegel, George Klein, Curt Swan, Al Plastino, Edmond Hamilton
Characters: Brainiac 5, Chameleon Boy, Cosmic Boy, Element Lad, Saturn Girl, Duplicate Girl, Invisible Kid, Lightning Lass, Matter-Eater Lad, Shadow Kid, Blockade Boy, Nardo, Weight Wizard, Plant Kid