This story discusses plot developments in “Superman,” which is now available to purchase on digital VOD. James Gunn provided a rare and fascinating look inside the process of making “Superman” on Friday,

"For you to talk about how it's OK to be vulnerable, you have to be vulnerable," Gunn told the "Superman" star

Superman director James Gunn has shared a clip from Adventures in Making Superman, a 60-minute documentary showcasing the intimate behind-the-scenes story of Gunn’s first DC Universe movie. The documentary is part of the movie’s digital release,