As for Christine Palmer, for now, it looks like Doctor Strange will be her first and only MCU appearance. Doctor Strange in the Multiverse of Madness is in the midst of preproduction, and it was reported several months back that Rachel McAdams will not reprise her role. Chiwetel Ejiofor and Benedict Wong, however, are set to return as Mordo and Wong, respectively, alongside Benedict Cumberbatch’s Strange in the sequel.
Article source: https://www.cinemablend.com/news/2493470/jessica-chastain-was-approached-for-a-key-doctor-strange-role-according-to-the-writer