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 (franchise) Atomic Ants". David Koepp continued on from there, giving his script the subtitle "Destroyer of Worlds", based on the Robert Oppenheimer quote. It was changed to "Kingdom of the Crystal Skull", as Spielberg found this a more inviting title which actually named the plot device. Koepp wanted to depict the character of Mutt as a nerd, but Lucas refused, explaining he had to resemble Marlon Brando in "The Wild One"; "he needs to be what Indiana Jones' father thought of [him] – the curse returns in the form of his own son – he's everything a father can't stand". Koepp