about to kill Lois Lane for discovering that he was not Superman (as he had pretended to be, being super-strong and invulnerable as a cyborg). Superman eventually escaped from the kryptonite trap and arrived just after Metallo (John Corben) had died.

After John Byrne rewrote Superman's origins in the 1986 miniseries The Man of Steel, Metallo was given an altered backstory. In this version, Corben is inspired to battle Superman because