Gina Torres

Five hundred years in the future, after a universal civil war, a lone organization known as The Alliance controls the world, except for a small band of people running a transport ship called Serenity.

In a parallel Earth ruled by the Crime Syndicate, the Justice League must fight their evil doppelgangers in a battle that would be dead even, except that their malicious counterparts are willing to do the one thing Batman and Superman never would: kill.