Superman: David Corenswet, Rachel Brosnahan & Nicholas Hoult Spill Superhero Set Secrets (Exclus

ET's Cassie DiLaura chats with David Corenswet , Rachel Brosnahan and Nicholas Hoult for their new film, 'Superman,’ in theaters on July 11. The stars talk life on a James Gunn set, what it was like channeling these iconic characters and the exciting cameos. Plus, David reveals how he earned a seal of approval from 'Superman' icon Christopher Reeve's family.