"Avatar: Fire and Ash," set to debut December 19, introduces new conflicts and a villain named Varang.

The third "Avatar" movie, "Avatar: Fire and Ash," set for release on December 19, 2025, introduces a new villain, Varang, played by Oona Chaplin. The first trailer will premiere in theaters before "Fantastic Four: First Steps" on July 25. The film continues the saga with new conflicts between Na'vi clans and humans, featuring returning stars like Sam Worthington and Zoe Saldana. Two more sequels are planned for 2029 and 2031.