Flanagan is writing the movie, based on the notable Dark Knight villain, while Matt Reeves produces.
Mike Flanagan’s Clayface movie is officially taking shape.
Warner Bros. formally slated the movie for release on Sept. 11, 2026.

Mike Flanagan is writing a Clayface movie, set for 2026.JC Olivera/Getty;DC Universe
Flanagan mentioned his desire to do a Clayface story back in 2021.
JC Olivera/Getty;DC Universe
Multiple different characters claimed the name Clayface throughout the history of DC Comics.
Alan Tudykcurrently voices the character in a more comedic capacity for the animatedHarley Quinnseries.
James Gunn, who heads DC Studios with Peter Safran, marked Friday’s announcement on Threads.
Flanagan, meanwhile, is also working onan Amazon series based on Stephen King’sCarrie.