According to Heroic Hollywood, Rachel McAdams is rumored to have been offered the lead female role in the upcoming Doctor Strange adaptation, which stars Benedict Cumberbatch in the title role.
According to the site:
Before he met the Sorcerer Supreme, Doctor Stephen Vincent Strange was an unlikeable egotistical neurosurgeon. Everything changes when a car accident limits Strange’s use of his hands, sending him on a maddening quest for a miracle cure. This origin story introduces the magical and mystical realms of the Marvel Cinematic Universe.
The film is being directed by Scott Derickson off of Jon Sphaits’ script. It is set to be released on November 4th, 2016.