Edward Norton joins Michael Keaton's Birdman movie, dashes all hope it's a stealth Batman movie

Immediately invalidating our suggestion that Alejandro González Iñárritu’s upcoming Birdman should cast Jack Nicholson in the role of the actor who drives Michael Keaton’s retired superhero crazy, through some combination of unreasonable demands and deadly laughing gas, Deadline reports that the part has instead gone to Edward Norton. Norton—who obviously has his own history of being an egomaniacal jerk to directors, adding yet another layer of self-reference to this thing—joins the cast that also includes Emma Stone, Zach Galifianakis, and his former Painted Veil co-star Naomi Watts. Presumably midway through the film, Norton’s character gets so out of control that he transforms into a giant rage-monster and rampages through the city, and only Keaton’s Birdman can stop him. Make the movie like we say!