Whether it was just a 5 to 10 year wait or 10 to 15 years, I would still watch the sequels.
https://hypebeast.com/2022/3/20th-century-studios-avatar-2-release-date-confirmed
Of course it would have been much better if it was on something similar to the roll out of TLOTR movies.
https://movieweb.com/avatar-2-will-blow-people-away
https://www.digitalspy.com/movies/a39327630/avatar-2-release-this-year-2022
AVATAR 2: The Way of Water https://www.youtube.com/watch?v=HPaVcaGEWyI
Avatar: Frontiers of Pandora https://www.youtube.com/watch?v=Axmg1E4HrVE , https://www.youtube.com/c/Ubisoft/videos
Pandora Discovered https://www.youtube.com/watch?v=GBGDmin_38E , https://www.youtube.com/c/AvatarOfficial/videos
James+Cameron really knows that he still has another series of hit movies on the way. The first Av movie has aged very well, just like a fine wine.
The Spirit of Avatar: A Conversation with James Cameron https://www.youtube.com/watch?v=JdhWN-iG3eY , https://www.youtube.com/c/TheMarianneWilliamsonPodcast/videos
Avatar Deleted Scenes... https://www.youtube.com/watch?v=BBgidF29xQ0 , https://www.youtube.com/c/ScreenRant/videos