Marvel Studios is currently filming Doctor Strange in Nepal, but according to The Wrap, Amy Landecker has just joined the cast the film in a key role. Marvel has yet to announce the character Landecker will play in the film.
The film stars Cumberbatch, Rachel McAdams, Tilda Swinton, Mads Mikkelsen, Chiwetel Ejiofor, and Michael Stuhlbarg.
Cumberbatch plays neurosurgeon Stephen Strange, who after a horrific car accident discovers a hidden world of magic and alternate dimensions.
Doctor Strange is directed by Scott Derrickson, with screenplay by Jon Sphaits, and is expected in theaters on November 4, 2016.