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), Edi Gathegi (Mister Terrific), Nathan Fillon (Guy Gardner), Isabela Mercad (Hawkgirl) and […]