The next 10 years of the Marvel Cinematic Universe are already planned by Marvel Studios https://screenrant.com/mcu-future-movie-releases-upcoming-2032-calendar-prediction
This has become such a huge mythology and entertainment machine.
https://movieweb.com/marvel-kevin-feige-planning-next-10-years-mcu/
There is plenty of room to expand on the various stories, it almost seems limitless.