Superior is a town in Pinal County, Arizona, United States. According to the 2010 census, the population of the town is 2,837.Such films as U Turn by Oliver Stone, Eight Legged Freaks, How the West Was Won, Blind Justice, The Prophecy, Skinwalkers, The Gauntlet with Clint Eastwood, and Young Billy Young are set in Superior. In 2005, a sci-fi film named The Salena Incident, also called Alien Invasion Arizona, was filmed in Superior.