James Gunn cast Bradley Cooper for an important 'Superman' cameo because he needed someone 'who could walk in the footsteps of Marlon Brando.'

Superman is packed with surprises, but one of the biggest is Guardians of the Galaxy actor Bradley Cooper making an appearance as none other than Jor-El, AKA Clark Kent's biological father. Jor-El was played by Marlon Brando in the Christopher Reeve movies,

David Corenswet’s well-rounded portrayal of the iconic Superman has been a hit with fans, resulting in explosive early box office numbers. The James Gunn-directed film was highly anticipated, and based on the early reviews from critics and fans alike,

"Superman," written and directed by James Gunn, brings Clark Kent and his superhero alter ego back to the silver screen.

Director Richard Donner’s Superman: The Movie, which premiered in 1978, is a classic piece of cinema that continues to shape the superhero genre today. Most recently, it led the way for writer-director James Gunn to release Superman, a more modern imagining of the Man of Steel’s adventures, with David Corenswet portraying the titular hero.