Alejandro Iñárritu’s stage-door film, Birdman (2014) tells the story of a faded Hollywood star (Michael Keaton) attempting to make a comeback and establish a legacy in an Broadway play. It is a comedy – a dark one – and filled will characters who are mostly unlikable, but suited for the life in the theater. Keaton’s Riggan Thomson used to play the eponymous action hero, but walked away from “Birdman IV” 20 years ago. He is still in the public mind, but obviously hasn’t done much since. He is the writer, director, and star of a play based on the short stories of Raymond Carver, an author, whose early death from alcoholism imitates that of our star, who was famous, but never realized his full potential.