Corenswet's physical trainer breaks down the routine that helped the formerly svelte actor put on 40 pounds of muscle—and how he got Nicholas Hoult prepped for Lex Luthor.

If you ask me, the cure for superhero fatigue isn't eliminating the genre altogether — it's creating unique and passionate stories that viewers will care about. Because that's the issue: people just don't care anymore!

Clark Kent may call Delaware home in the new movie, but the Philly-born lead actor gets to show home hometown love too.