Originally Posted by ThePhantasm
I don't see the big deal with Zod and co. being in the film. Ledger's Joker wasn't the first on-screen Joker and certainly won't be the last.
It isn't a problem. It is simply the lack of acknowledgment do to wanting to dissociate with anything that came before this film. It would be like if someone went around saying this isn't a Superman film. Why? Because they say it isn't.