What a difference 25 years makes The Karate Kid is coming back, with two very different stars filling the roles of Daniel Larusso (played in the original film by Ralph Macchio) and his mentor Mr Migayi (the late Pat Morita).Will Smith's 11 year old son Jaden is the prodigy this time around (now called Dre), tutored by kung fu legend Jackie Chan, playing Mr Han.These on-set snaps show the pair shooting the new movie, called The Kung-Fu Kid, on location in China - under the watchful eye of Jaden's dad, who's producing the project.Chan has been helping Jaden prepare for the role - and he's got high praise for his young co-star, revealing he's already mastered a special routine the actor showed off in 1978 movie Drunken Master.Chan says,