Cameron makes particular reference to the new character Varang, who will be played by Oona Chaplin in Avatar: Fire and Ash. She's the leader of a clan of Na'vi who are volcano-dwelling, rather than being in the air or sea. He spoke more to Empire about that newcomer, offering:

Fire and Ash has been released. Avatar: Fire and Ash will be released in United States theaters this coming December from 20th Century Studios. The third installment in the Avatar film franchise, Fire and Ash will once again be directed by James Cameron.

Cameron – talking to Empire in the first of our Path To Pandora exclusives, bringing you fresh details from the Avatar saga in the magazine every single month in the run-up to Avatar: Fire And Ash – promises not just an escalation of action,