Benedict Cumberbatch confirms Dr Strange won't appear in Avengers: Doomsday due to script changes. Cumberbatch will have a significant role in Avengers: Secret Wars, slated for release in 2027. Robert Downey Jr will play Doctor Doom,

While Marvel has not officially announced Doctor Strange 3, it sounds like the studio is developing the sequel behind-the-scenes, collaborating very closely with star Benedict Cumberbatch. In an interview with Variety,

Benedict Cumberbatch gives NSFW response to question about Doctor Strange being in Avengers: Doomsday. Those who were excited to see Benedict Cumberbatch's Doctor Strange in Avengers: Doomsday will be disappointed with the latest update on his status. However, there is light at the end of the tunnel.