James Gunn compares Superman to Oppenheimer to explain why he's confident in the success of the first DCU movie.

James Gunn’s “Superman” is set to launch a brand new DC Universe by throwing viewers into a world already populated with superheroes. That means the film’s cast has a supersized ensemble, from David Corenswet as the Man of Steel to Anthony Carrigan (Metamorpho),

James Gunn provided a new look at Ultraman, a villain in "Superman," on X. But fans still wonder who's under the character's mask.