Transformers One is a 2024 American animated science fiction film based on Hasbro's Transformers toy line. Directed by Josh Cooley and written by Andrew Barrer, Gabriel Ferrari, Steve Desmond, and Michael Sherman, the ensemble voice cast includes Chris Hemsworth, Brian Tyree Henry, Scarlett Johansson, Keegan-Michael Key, Jon Hamm, Laurence Fishburne, and Steve Buscemi. The film is described as an "origin story" set on the planet Cybertron and will center on the relationship between Optimus Prime and Megatron.