premise: Thomas Tull (born 1970) is an American businessman and film producer. He is the former chairman of the Board and chief executive officer (CEO) of Legendary Entertainment. His firm has produced and/or financed several major motion pictures, including "The Dark Knight Trilogy", "The Hangover" and its sequels, "300", "Man of Steel" and others.
hypothesis: Thomas Tull's company has produced some movies based on comic book properties.
reason: 300, The Dark Knight, and Man of Steel are all based on DC comic books