: An early draft written by Frank Darabont that was eventually rejected by George Lucas but laid much of the groundwork for the 1950s setting.
: A working title used by screenwriter David Koepp, referencing the famous J. Robert Oppenheimer quote. subtitle Indiana Jones and the Kingdom of the C...
Steven Spielberg ultimately favored the final title because it was "inviting" and explicitly named the film's central plot device, or "MacGuffin"—the crystal skulls. George Lucas specifically insisted on including the word "Kingdom" in the title. : An early draft written by Frank Darabont
During the film's nearly two-decade hiatus between 1989 and 2008, multiple scripts and working titles were proposed: Steven Spielberg ultimately favored the final title because
: Briefly considered by Spielberg as a reference to the film's "alien" themes before he realized it was already the name of an existing movie. Final Selection and Meaning