"My part is done," Simmons said about filming for Commissioner Gordon in London. "They are filming that for basically most of 2016, so some of the superheroes are still at work in jolly old London, but I'm back home with my family."
J.K. Simmons also confirmed that most of his scenes are with Batman.
"Yeah, mostly with Ben," Simmons said. "In this first installment of the Justice League, Commissioner Gordon is not a particularly sizable part. We just kind of introduce him and see a little bit of his interactions with Batman -- and with most of the Justice League."
Check the link above for the complete article, and JK's thoughts on Zack Snyder.