James Gunn spoke about how the personalities of Superman and Batman influence their suits during an interaction with David Corenswet in the behind-the-scenes documentary, Adventures in the Making of Superman.

James Gunn is aiming for a more optimistic Superman after the dark Zack Snyder era, and we find out whether that's enough to kick off the DC Universe. He says treatment is already complete on his next movie, and he can't wait to get shooting it.