Writer/director James Gunn, also the co-head of DC Studios, explains his philosophy around post-credits scenes in the DCU. Gunn talks about lessons learned from his time at Marvel. Warning: This article contains spoilers from Superman.

Superman is the most powerful superhero in DC Comics, able to go toe to toe with its most powerful villains, like Darkseid and Brainiac. That’s why it’s surprising that his nemesis is Lex Luthor, a man without any superpowers.

"Superman" puts a cool twist on the Man of Steel mythos. James Gunn's DCU movie includes post-credits scenes and a teasing cameo. Plot spoilers ahead!