Indiana Jones (franchise) and Lucas made a deal with Paramount Pictures for five Indiana Jones films. Spielberg and Lucas aimed to make "Indiana Jones and the Temple of Doom" much darker, because of their personal moods following their respective break-ups and divorces. Lucas made the film a prequel as he did not want the Nazis to be the villains again. He had ideas regarding the Monkey King and a haunted castle, but eventually created the Sankara Stones. He hired Willard Huyck and Gloria Katz to write the script as he knew of their interest in Indian culture. The major scenes that were dropped
Indiana Jones and the Last Crusade copies to be included on the "New York Times" Best Seller list. MacGregor went on to write the first six "Indiana Jones" prequel novels during the 1990s. Following the film's release, Ford donated Indiana's fedora and jacket to the Smithsonian Institution's National Museum of American History. No toys were made to promote the film; Indiana Jones "never happened on the toy level", said Larry Carlat, senior editor of the journal "Children's Business". Rather, Lucasfilm promoted Indiana as a lifestyle symbol, selling tie-in fedoras, shirts, jackets and watches. Two video games based on the film were released by LucasArts in 1989: