Sony executive Sanford Panitch has indicated that Spider-Man: No Way Home will kick off a shared Marvel universe.
https://www.ign.com/videos/there-is-a-plan-for-connecting-sonys-spider-man-universe-to-the-mcu
https://www.ign.com/videos/there-is-a-plan-for-connecting-sonys-spider-man-universe-to-the-mcu