The human race is threatened by a powerful creature, and only the combined power of Superman, Batman, Wonder Woman, Green Lantern, Martian Manhunter and The Flash can stop it. But can they overcome their differences to thwart this enemy using … David Boreanaz, Neil Patrick Harris, Brooke Shields, Jeremy Sisto, Kyle MacLachlan, Miguel Ferrer, Keith David Added on HBO 2022-06-06. Youtube Trailer