Thunderbolts* isn't a reboot, it's a fantastic continuation of an overall story.
https://en.wikipedia.org/wiki/Thunderbolts*#Plot
Thunderbolts Post-Credits and Ending Explained https://www.youtube.com/watch?v=0Vq20ae6z1E
https://en.wikipedia.org/wiki/Avengers_(Marvel_Cinematic_Universe)#Future
https://thedigitallabyrinth.blogspot.com/search?q=Thunderbolts