A new sneak peek at "Doctor Strange" provides some fresh insight into Marvel's upcoming film.

The video is included in the "Captain America: Civil War" Blu-ray release and focuses on supporting characters Karl Mordo (Chiwetel Ejiofor) and the Ancient One (Tilda Swinton), who teach Stephen Strange (Benedict Cumberbatch) in their magical ways.

The video also introduces villainous leader Kaecilius (Mads Mikkelsen). There are glimpses of the stars filming scenes and flashes of some psychedelic concept art, but very little in the way of new footage, beyond what was in the first trailer.
Still, though we don't get to see much, it's exciting to check out the immense talent they've rounded up for the movie. Swinton raving about the Ancient One's use of "real, proper magic" might soothe some fans who were angered by her casting.

"Doctor Strange" also stars Benedict Wong, Rachel McAdams, Michael Stuhlbarg, and Benjamin Bratt, and opens in theaters November 4.

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