When the film Wonder Woman was released in , it joined the blockbuster ranks of other recent comic book-inspired film franchises, including Batman, Superman, Spiderman, and X-Men. Wonder Woman has long been a bestselling creation, originally imagined in by the psychologist William Moulton Marston , and the film follows some of the main plot lines developed in the comic books. Wonder Woman is a superheroine known as Diana, princess of the Amazons, who is trained to be an unconquerable warrior. When an American pilot, Steve Trevor, crashes on the shores of her sheltered island paradise and tells tales of a massive conflict raging elsewhere, Diana leaves her home, convinced she can stop the threat.