March 19, 2010 1:52 pm Sam Worthington Jokes About “Avatar” 2, 3, 4 and 5 “Avatar‘s” Sam Worthington says that James Cameron is exploring the idea of “Avatar 2” and jokes about why there might be room for third, fourth and fifth movies. US & World Videos 1:45 Anaheim city council voting on Disneyland expansion 0:40 Watch: Police dog tracks and finds missing 85-year-old woman in Colorado 3:09 Mama bear and cubs enjoy spring pool day in Monrovia 2:19 11-year-old celebrates teachers with appreciation snack cart 4:58 Luke Hemmings embraces childlike wonder in new album ‘boy'