James Gunn Talks That Surprise 'Peacemaker' Cameo, Says David Corenswet Was Bummed It Wasn't Him

James Gunn Explains Why ‘Peacemaker’s Lex Luthor Appearance Is “Really Important” For DCU

James Gunn Teases Progress On ‘Batman: The Brave And The Bold’ Script

James Gunn Explains Lex Luthor’s ‘Peacemaker’ Cameo, That Big Nazi Twist and Why David Corenswet ‘Was Really Upset’ That Superman Won’t Be on the Show