Overview
- On Threads, Gunn said he has never confirmed Brainiac for Man of Tomorrow and that none of the rumored actors have auditioned or been discussed.
- Responding to reports that Dave Bautista is a frontrunner, Gunn said he has not spoken with the actor about any role in the film or within DC regarding such casting.
- Separately, insider DanielRPK claims Brainiac is the villain and that DC has sent out an offer as casting nears completion, which remains unverified by the studio.
- Other rumored contenders cited in earlier reports include Matt Smith, Claes Bang, and Sam Rockwell, reflecting a fluid, rumor-driven shortlist.
- Gunn previously shared a script cover image featuring a brain X-ray and later told Entertainment Weekly he would hold off on revealing specifics; the film is written and directed by Gunn, centers on a Lex–Superman alliance against a larger threat, and is scheduled to film in Atlanta in April 2027 for a July 9, 2027 release.