In this image released by Lionsgate Films, Jet Li, left, and Jackie Chan are shown in a scene from 'The Forbidden Kingdom.'  (AP Photo/Lionsgate Films, Chan Kam Chuen)AP - A martial arts dream team — Jackie Chan and Jet Li — won the weekend as their movie matchup “The Forbidden Kingdom” debuted at No. 1 with $20.9 million in ticket sales, according to studio estimates Sunday.