James Cameron's third Avatar movie is turning the rules upside down, introducing a nefarious Na'vi clan as the human invaders go all-out.

James Cameron is about to turn 71 years old, but he might be the busiest he’s ever been in his life. The Academy Award-winning filmmaker behind iconic works such as The Terminator, Aliens, True Lies,

That said, while Cameron fully intends to direct the upcoming Avatar 4 and 5 himself right now, he’s aware that things might change over the next half-decade, and he might not ultimately be able to do so. The director says that if he doesn’t have the energy to direct the films in the way that he feels he needs to, he won’t do it. He continued…