Kamen Rider × Kamen Rider Fourze& OOO: Movie War Mega Max is a 2011 film in the Kamen Rider series that was directed by Koichi Sakamoto. It features the casts of Kamen Rider Fourze and Kamen Rider OOO, and opened in Japanese theaters on December 10, 2011. Movie War Mega Max is divided into five parts: Beginning: Fight!