Nicholas Hoult plays the role of the film's antagonist, Lex Luthor. But Gunn's initial choice was not Hoult but an actor who has appeared in Guardians of the Galaxy. Let's find out who he was.

Now that Superman is in theaters, let's look back at James Gunn's filmography and see how the Man of Steel fares with the competition.

Prior to casting Nicholas Hoult to play Lex Luthor, James Gunn revealed that he had asked a Guardians of the Galaxy star to play Superman's nemesis.