March 19, 2010 5:52 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 0:40 Watch: Police dog tracks and finds missing 85-year-old woman in Colorado 1:19 Met Gala 2024 after party looks: Cardi B, Lana Del Rey, EmRata 6:22 Craig Melvin compares ‘TODAY' crew to NASCAR 1:02 Judge indefinitely delays Trump's classified documents criminal trial 2:48 FBI provides new details in case against man accused in wife's disappearance in Spain