Issue: #319
Last valuation update: 2026-10-22
Part One: "The Legion's Suicide Squad!"Synopsis: Isolationist planet Throon builds a citadel to keep others away and uses a ray to disable all passing spaceships. The first Legion team selected to take out the ray meets their defeat .Part Two: "The Charge of the Substitute Heroes!"Synopsis: The next two teams of Legionnaires also fail, but the Subs are able to put an end to the menace of Throon .B...
Creators: George Papp, Sheldon Moldoff, Curt Swan, Bob Oksner, John Forte, Ira Schnapp, Mort Weisinger, Jack Schiff, Edmond Hamilton, Robert Bernstein
Characters: Superman, Thom Kallor, Bouncing Boy, Brainiac 5, Chameleon Boy, Colossal Boy, Cosmic Boy, Lightning Lad, Sun Boy, Element Lad, Saturn Girl, Ultra Boy, Duplicate Girl, Phantom Girl, Invisible Kid, Polar Boy, Stone Boy, Night Girl, Shrinking Violet, Lightning Lass