Clayface

Clayface is a 2026 American body horror-psychological thriller film based on the eponymous character from DC Comics. Directed by James Watkins from a screenplay by Mike Flanagan and Hossein Amini, it is the third film in the DC Universe (DCU). Tom Rhys Harries stars as Matt Hagen / Clayface, alongside Naomi Ackie, David Dencik, Max Minghella, and Eddie Marsan. In the film, Hagen is an actor whose face is disfigured, and he turns to a scientist (Ackie) who transforms his body into clay, but begins to lose his sanity as he is unable to recognise himself. It is produced by Matt Reeves and Lynn Harris alongside James Gunn and Peter Safran of DC Studios.

Summary from Wikipedia (CC BY-SA).