Issue: #330
Last valuation update: 2026-10-22
Story 1: The Secret Of The Mystery Legionnaire! Dynamo-Boy, the newest member of the Legion of Super-Heroes, is actually a pirate who is infiltrating the Legion team to take them down. Systematically, Dynamo-Boy is able to kick out each Legionnaire until only he remains. He then scours the galaxy for members for his new version of the Legion of Super-Heroes. Story 2: A Job For Super-Dog Krypto u...
First appearances: Dynamo-Boy, The Mess, Eyeful Ethel
Creators: Jerry Siegel, George Klein, Curt Swan, John Forte, Otto Binder, Jim Mooney, John Fischetti, Ira Schnapp, Henry Boltinoff, Mort Weisinger
Characters: Superman, Thom Kallor, Brainiac 5, Chameleon Boy, Colossal Boy, Cosmic Boy, Krypto, Lightning Lad, Sun Boy, Element Lad, Saturn Girl, Ultra Boy, Duplicate Girl, Phantom Girl, Invisible Kid, Shrinking Violet, Lightning Lass, Matter-Eater Lad, Dynamo-Boy, The Mess