James Gunn’s new DCU will already have a metric ton of superheroes in it, going back 300 years. But the character status in the DCU everyone is dying to know about isn’t metahuman at all, it’s Batman.

James Gunn says his biggest challenge with the DC Universe right now is figuring out how to get Batman into it.

Batman’s my biggest issue in all of DC right now, personally,” Gunn told Rolling Stone. “And it’s not—I’m not writing Batman, but I am working with the writer of Batman and trying to get it right, because he’s incredibly important to DC,