Bio: After he helped defeat the Crime Syndicate, the world saw Luthor as a hero and began worshipping him. Luthor of course loved this and decided to change his path and join the Justice League.
He rebuild the Watchtower for the team but they of course did not trust him. Luthor had also invited Shazam to join the team without their knowledge. Wonder Woman used her Lass of Truth of Luthor who spoke the truth. The Justice League kicked Luthor out, who gave the Watchtower to them anyway. Afterward, he travelled to Gotham and Bruce Wayne's mansion, where he told Alfred he wanted to talk to Batman, having somehow discovered his secret identity.
Annual 01 HC vol. 01 - 'Superman and the Men of Steel' TPB vol. 01 - 'Superman and the Men of Steel' TPB vol. 02 - 'Bulletproof' #1 - 'Superman Versus the City of Tomorrow' #2 - 'In Chains' #3 - 'World Against Superman' #4 - 'Superman and the Men of Steel' #5 - 'Rocket Song' #7 - 'Superman's Doomsday Decision' #8 - 'Superman Meets the Collector of Worlds' #17 #18 #19 - 'Hybrid, Part 1' #19 (Tony Daniel Variant) - 'Hybrid, Part 1' #21 #23.3 - 'Up Up and Away!' #31 - 'Infected, Chapter 1: True Believers' #31 (2nd Printing) - 'Infected, Chapter 1: True Believers' #32 - '[Enemy of the State] Chapter 1: Nightmare'