I got the impression from killing joke that he was taking money shot photos, and it was a sick Playboy shoot. Didn't think Barbara was raped.
Dan Didio said in a recent panel that the idea of Bats as a New God was a stupid. Still no indication if they're gonna do it or not.
If he was a New God, he might punch Joker's stomach out throw his abdomen. With Robin on his hands and knees behind Joker, so he trips over.