When negotiating with Twentieth Century-Fox in 1975 for his next movie, StarWars, Lucas gave up a larger salary and instead insisted on things Fox regarded as near worthless: ownership of the merchandising, music, publishing rights--and of all sequels.
Lucasfilm Ltd. and Twentieth Century Fox have announced the official release dates for the 3D theatrical launch of StarWars: Episode II Attack of the Clones and StarWars: Episode III Revenge of the Sith.