I spent months trying to come up with something for Ben. The Batman that I know and the one I learned is the one that Christian did, and Ben plays it differently. And I can’t quite shake that off. For me, the Christian Bale character was always completely unresolved. It was always about that moment at the beginning of the first movie, where he sees his parents getting killed. It was basically arrested development,” Zimmer said. “The Ben character is more middle-aged, he seems to be grumpy as hell but I didn’t feel the pain that I felt in Christian’s performance. And it was that pain that made be interested.