AceShowbiz - Hollywood is buzzing with the latest rumor surrounding James Gunn's highly anticipated Superman reboot. Numerous reports claimed Bradley Cooper boarded the movie as Jor-El, Man of Steel's biological father.

The casting news leaked following early test screenings for the David Corenswet-fronted superhero movie. In a post-and-delete message, @ViewerAnon wrote, "He appears in the first couple minutes of the movie so I promise this is not a big spoiler."

Given Bradley Cooper's extensive history with James Gunn (the actor voiced Rocket Raccoon in Marvel's "Guardians of the Galaxy" franchise), it wouldn't be surprising for the two to collaborate again.

Meanwhile, there's so far been no indication Cooper will reprise Rocket in a future MCU project. His name was also missing from the lengthy cast announced by Marvel for "Avengers: Doomsday" during a recent livestream.

The new "Superman" movie will hit theaters on July 11, supported by Rachel Brosnahan as Lois Lane and Nicholas Hoult as Lex Luthor.

Jor-El was portrayed by the likes of Marlon Brando and Russell Crowe in the previous adaptations.