Welcome back to Pandora. Disney just released the first trailer for Avatar: Fire and Ash, the third installment in James Cameron’s epic sci-fi saga. Set on the alien moon of Pandora, the series follows the Na’vi as they defend their homeland from human invaders who are stripping it of its natural resources.

The follow-up to 'The Way of Water' teases a spectacular epic that includes volcano fights, family tragedy and intense action. Fan reactions are over the top: "Yup, another billion to James Cameron."

The trailer for James Cameron's 'Avatar 3' introduces viewers to the Ash People and their leader, Varang, played by Oona Chaplin.