While James Cameron has denied that Avatar 3: Fire and Ash used any generative AI. On January 24, 2026 Joe Letteri ( the visual effect supervisor from Weta Digital ) sat with the Corridor Crew for their weekly show of VFX Artists React where he said that the facial animation for the hero characters for both Avatar 2 and 3 involved a neural network. A neural network? Isn't that a fancy way to say "AI"?