The preview for issue #40 is out now and it's the first time I actually see the real cover which looks like this...
image.jpg
So I read the full preview and not much revealing stuff shown been shown but I'm gonna guess by the cover (which I know doesn't necessarily implies the actual story at times) that Bruce gets corrupted. That's what I'm going with since he's nowhere in the post endgame stories (Obviously Justice League comic doesn't count) and the Damien comic covers reminds me of "The Hunt for Robins" except in reverse.
Anyone else got wild theories to what happen to Bruce?