Stars Zoe Saldaña, Sam Worthington, Sigourney Weaver, Stephen Lang and Oona Chaplin, as well as filmmaker James Cameron, sat down with THR to talk all about their new film 'Avatar: Fire and Ash.' The stars opened up taking the franchise to a new emotional level, as well as what they love about working with Cameron as a director. Plus, Cameron got candid about whether or not he will make his planned fourth and fifth 'Avatar' films.