Michael Keaton joins Emma Stone, Edward Norton, Zach Galifianakis and Naomi Watts in this riveting story about fame, fantasy and second chances. When a former superhero film star (Keaton) sets out to make a comeback on Broadway, he grapples with self-doubt, harsh critics, and his estranged daughter (Stone) in this imaginative, wickedly funny film from writer/director Alejandro González Iñárritu