Issue: #362
Last valuation update: 2026-10-22
The Legion of Super-Heroes have to go to Doctor Mantis Morlo's lab to stop his experiments, because his experiment is causing poisonous radiation. Dr. Morlo refuses and sends his Chemoid robot to fight the Legion, but the Legion defeat him and stop Morlo's experiments. Soon, Princess Projectra is summoned to her planet of Orando because there's a black cloud surrounding her planet. She brings her...
First appearances: Mantis Morlo
Creators: Curt Swan, Pete Costanza
Characters: Superman, Thom Kallor, Bouncing Boy, Brainiac 5, Chameleon Boy, Cosmic Boy, Dream Girl, Sun Boy, Saturn Girl, Duplicate Girl, Karate Kid, Phantom Girl, Invisible Kid, Mantis Morlo, Lightning Lass, Sensor Girl, Mon-El