There are four planned Avatar sequels from James Cameron, with the rest of the release dates going as follows: Avatar 3 on December 20, 2024, Avatar 4 on December 18, 2026 and Avatar 5 on December 22, 2028. Cameron spoke on the latest date shifts with these words:
Article source: https://www.cinemablend.com/news/2551828/avatar-2-images-reveal-awesome-new-submarine-heading-to-the-sequels