To protect his secret identity, Superman is forced to call three heroes from the past to stop a gang of criminals menacing Metropolis, but he accidentally draws them from a parallel world where the heroes are really villains..
Otto Binder, Leo Dorfman, Mort Weisinger, Jack Schiff
Curt Swan, Jim Mooney, Al Plastino, Sheldon Moldoff
Advocacy, Superheroes
Superman
DC Entertainment
Comics