Learning that Dr. Thomas Wayne had created an Anti-Kryptonite, Lex Luthor sent a Superboy Robot to steal it. Unfortunately, the robot accidentally killed Dr. Wayne. Wayne's son, Bruce, came to blame Superboy for the murder.
Years later, Lex would become partners with Bruce, now calling himself Batman. Together, they were able to trap Superboy, now calling himself Superman, in Kryptonite-based containment. Lex accidentally mentioned the stolen serum and Batman realized that Lex, not Superman, had killed his father. Batman was able to release Superman, but died by Luthor's hands.
- 1 Appearances of Lex Luthor (Earth-153)
- 1 Images featuring Lex Luthor (Earth-153)
- Quotations by or about Lex Luthor (Earth-153)
- Character Gallery: Lex Luthor (Earth-153)
- ↑ World's Finest Vol 1 153
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