I think, to me, it's a matter of Ridley's vision and what he wants to do and how much that might define Jace as a character. But maybe he's going for...
Oh, I meant "real" Batman in terms of the fact that he's supposed to be more grounded, real to Earth, take on Batman and the DCU than normal Batman. ...
If they ever reboot the Legion again, I'd rather they just maintain them being inspired by the current "Age of Heroes" rather then just Superman. It...