He’s playing Dr Strange in the Marvel Cinema Universe. He plays the character very well, and looks the part. Dr. Strange 2 is coming in 2022. Here’s a video about it.
I haven’t watched any of the Marvel movies. I’m not interested in that type of movie. I know Benedict from the British tv work he did before all of that. I also remember a line from a movie I can’t remember where one girl is talking to another and says that you know the world has gone mad when Benedict Cumberbatch is a sex symbol.