Robin is part of the DC animated universe, so why doesn't he appear in the Justice League or the follow-up Justice League Unlimited series? What is the reason behind not including any Robin or ...
It is safe to assume that Bruce Wayne and Clark Kent belong to the same Universe. In season 2 of the TV show The Flash, Barry travels to a parallel universe where he meets Kara Zor El a.k.a. ...
What is "The Center" in Justice League: The New Frontier (2008)? From where did it come to earth?