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,

The buzz around Robert Pattinson’s Dark Knight is still going strong, but don’t expect him to swing into the broader DC Universe anytime soon. James Gunn, co-CEO of DC Studios, recently spoke with Rolling Stone about the odds of Pattinson’s Batman joining the interconnected DCU.