User blog comment:SwagMasterDbl/My Vision for Phase Four/@comment-5600444-20170729185814/@comment-5600444-20170729200929

Boseman's contract was 5 films (two last films of that contract are not revealed yet), Holland's contract was 6 films (with Spider-Man 2 and 3 being the only films come after Avengers 4). Cumberbatch's contract included only two solo films (first one is already shown), and that's been revealed. Stan's contract was originally reported as 9 films and it better be true if he'll ever become new Captain America. That's all I know.