A rumored Ubisoft roadmap has appeared on social media apparently revealing some game release dates, schedules, and IP details. It seems both Far Cry 6 and Skull & Bones could be arriving sooner than expected, while Avatar joins a new Assassin's Creed game in 2022. The most believable aspect is that Splinter Cell is still being swept under the carpet.
https://www.notebookcheck.net/Dubious-Ubisoft-roadmap-lists-Far-Cry-6-and-Skull-Bones-as-coming-soon-with-Avatar-scheduled-for-2022-but-still-no-sign-of-Splinter-Cell-sequel.532932.0.html