Interplanetary criminal Grax defeats Brainiac, then travels to Earth where he uses Brainiac's force-field to trap Superman on Earth, then attaches a super-powerful bomb to him which will destroy the planet..
Otto Binder, Jim Shooter, E. Nelson Bridwell
Gil Kane, Curt Swan, Wayne Boring, Jim Mooney
Superheroes, Humor
Superman
DC Entertainment
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