If you caught The Fantastic Four: First Steps in theaters this weekend, chances are you also got a sneak peek at the highly anticipated Avatar threequel, Avatar: Fire and Ash. But there’s also a new Na’vi faction, the Ash People, led by Varang (Oona Chaplin). A detained Jake Sully in the Fire and Ash trailer. 20th Century StudiosSixteen years after Avatar hit theaters, the franchise is looking for new ways to keep the story fresh. Avatar: Fire and Ash premieres in theaters on December 16.