According to rumours, the Marvel Cinematic Universe has replaced Robert Downey Jr. In Avengers: Endgame (2019), Disney said goodbye to Tony Stark/Iron Man and Steve Rogers/Captain America.
After that, Shang-Chi and the Legend of the Ten Rings (2021), Spider-Man: No Way Home (2021), Doctor Strange in the Multiverse of Madness (2022), Thor: Love and Thunder (2022), and She-Hulk: Attorney at Law (2022) were released.
Phase 4 concludes with Black Panther: Wakanda Forever (2022) on November 11th, and the studio appears to know what comes next.
Giant Freakin' Robot reports that Marvel has discovered its Avengers successor for Robert Downey Jr.