“The idea that we could begin to boot up a Justice League concept was a cool thing. It was a little bit of an ‘about time’ moment, and I don’t blame [the studio] for feeling that way, because it’s a long time coming, but I do feel like it’s a little bit of a creative hurdle. It seems like an easy thing to do at first glance, the idea that, ‘Oh, we just get the rest of the superheroes in there.’ But you have to [establish] a world where they can exist.”