The Forbidden Kingdom (2008)

Based on the Chinese epic story 'Journey to the West', one of the four great classic novels of Chinese Literature. The novel is a fictionalized account of the legends around the Buddhist monk Tang Sanzhuang's pilgrimage to India during the Tang dynasty in order to obtain Buddhist scriptures. Many programs have been based on this tale, such as television show "Saiyûki" (1978), and anime series _"Dragon Ball Z" (1989)_ holds a few loose facts from the same story.
The characters are mostly taken from Chinese mythology and adventure pulps. Lu Yan is a famous Taoist Saint. The Jade Emperor is the ruler of the Heavens in Chinese myth. The Monkey King is from a 16th Century fantasy epic by Wu Cheng En. Golden Swallow was the name of the character played by Cheng Pei Pei in a number of Shaw Bros films like Da zui xia (1966). The White Haired Demoness is the anti-heroine of a pulp novel by Liang Yusheng (filmed twice) with the same title.
This movie marks the very first collaboration between martial arts masters Jet Li and Jackie Chan.
This is the very first movie that Jackie Chan has made in Hollywood where he hasn't served as martial arts choreographer.
This movie went through five script re-writes before it was completed, many of which were done in the middle of filming.