Originally Posted by MrsKent26
I don't want them to look immature, either, so I agree with that.
But there has to be a way to do this without mind control. I just find that so uninteresting. Superman wouldn't even be himself. He would just be a vehicle for someone else and Batman would be fighting that someone else in that case.
It's the only way I see them fighting working story-wise and character-wise, unless they change who they are. Given how MOS turned out, that's possible.