Whether this means it’s a Planet of the Apes kind of scenario where Earth 53 was at one point ruled ... in which Grodd turned all of the DC superheroes into apes for a while.

However, within the DC Comics multiverse ... an adaptation of Grant Morrison's Justice League: Earth 2, Ultraman is weakened by blue Kryptonite and powered by green Kryptonite.

DC Comics is an American comic book publisher responsible ... The Crime Syndicate from Earth-3 are incredibly evil variants of the famed Justice League from DC, but which of them is the strongest ...