Wonder Woman and Green Lantern had appeared because of Luthor's unwavering sense of justice. After Joker Jackie's "sacrifice," he had traveled through parallel universes in fulfillment of a promise to his close friend, searching for dependable allies.
The lucky bald man had entered a relatively stable and peaceful world. There were supervillains there too, but they had all been suppressed by the Justice League.
Take himself, for example. His counterpart, Lex Luthor, had been defeated by Superman and locked in a small prison cell with a private bathroom, where he could use soap as boldly as he pleased.
It should be noted that soap had not gradually been replaced by body wash because it was too lethal.
On the contrary, it was precisely because of soap's special function that body wash had been unable to eliminate it from the market.
Never mind the bald man in the single cell. Wealthy people would sooner or later regain their freedom through proper channels and legal procedures. Luthor had no intention of visiting "himself." After learning about the parallel universe he was in, he immediately went to the police station to turn himself in.
Very soon, he met Superman!
After some explanation, Superman brought Luthor to the space station in near-Earth orbit, the Justice League's base.
At a meeting where Aquaman had been forgotten, Luthor explained the whole story and asked the Justice League for help in defeating the Crime Syndicate and saving billions from peril.
Superman, Wonder Woman, and the others all felt that he had a point. This was why the Justice League had been founded. Justice needed to be upheld, and they could not stand idly by.
Batman was unmoved. They could barely sort out their own mess, so where would they find the strength to help others? What if