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,

James Gunn discussed why Batman is the toughest character to tackle in the new DC universe.DC Universe, is a fictional universe that serves as the setting for stories featuring characters of