Description
When Lex Luthor manipulates John Corbin into allowing himself to become the kryptonite powered robot Metallo, Superman must prevent the bitter new creature from taking out his anger over his condition on the city of Metropolis.
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SUPERMAN is the target of LEX LUTHOR'S deadliest scheme. The cruel genius has poisoned criminal John Corben. He withholds the antidote until Corben makes a promise: he will let LUTHOR turn him into a robot powered by KRYPTONITE. But once the creature named METALLO discovers that he is more machine than human, revenge fills his strange heart.
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