Martial arts superstars Jackie Chan and Jet Li will face off for the first time on the big screen in a new feature film. The two martial-arts experts have long said they would like to appear in a film together and fight each other. Li is set to play two roles, that of the monkey king and the silent monk, while Chan will play the monk T'SA-HO in the as-yet-untitled family movie, which will begin shooting in April (06). The script is based on the legend of the monkey king and his quest to achieve immortality.