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.

: A working title used by screenwriter David Koepp, referencing the famous J. Robert Oppenheimer quote. subtitle Indiana Jones and the Kingdom of the C...

: 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 Steven Spielberg ultimately favored the final title because

: A title used for drafts turned in by Jeff Nathanson in late 2005. subtitle Indiana Jones and the Kingdom of the C...