We all know the Earth Prime Justice League: Superman, Wonder Woman, Batman, Aquaman, Cyborg, Flash, Martian Manhunter, and the Green Lantern. They are the sacred protectors of the known universe; but they aren't the only universe in existence. On Earth 23 the world is vastly different.
Superman is President of the US Calvin Ellis; and struggling to get reelected
Wonder Woman has given away her powers to be with Steve Trevor in WW2
Atlanteans haven't yet been discovered
and the only team in existence is Batman's Outsiders
With Lex Luthor starting his plan to cleans the world of meta humans with a team of his own, and a new Amazonian bring knews of an upcoming "war"; President Superman must work with a skeptical Batman to create a league of heroes capable of fending off these looming threats.
