It's really all about the Reuter's vid...

Jet Li, Jackie Chan face off!

Two titans of the kung fu world Jet Li and Jackie Chan square off in China's most expensive film ever made.

Jet Li, born Li Lianjie in Beijing, started practicing the martial arts, or Wushu, when he was eight. He won several national championships as a teenager before he gained instant fame for his role in the 1982 China-made movie Shaolin Temple. He is now the most paid Chinese actor in Hollywood. Jackie Chan is arguably the most famous Chinese kung fu movie actor, famous for his comedy-style kung fu fighting. Starting a career from early 1970's, he has played roles in over 100 films.