 During one such break-out Luthor jumped dimensions, landing on the positive matter Earth.He kidnapped his counterpart Lex Luthor and assumed his identity, then searched for information about superhuman's who might help him fight the Crime Syndicate while diverting considerable Lexcorp funds to charitable causes.Luthor had accidentally brought a passenger plane with him from his home dimension, switching it with its positive matter counterpart, killing everyone onboard.