• Dan Harmon attends the 2016 Turner Upfront event at The Theater at Madison Square Garden on May 18, 2016 in New York City.

Dan Harmon attends the 2016 Turner Upfront event at The Theater at Madison Square Garden on May 18, 2016 in New York City. (Photo : Getty Images for Turner/Nicholas Hunt)

The upcoming movie "Doctor Strange" may be one of the highly anticipated films in the Marvel Cinematic Universe. Latest updates have hinted that Dan Harmon may have plans to introduce another villain in the said movie.

Previous reports have indicated how Harmon has been called in to write a few additional scenes for the upcoming Marvel film. The movie has already wrapped up most of its filming activities but plans to reshoot more scenes. The said reports have sparked speculations from avid fans on potential story plots or new characters that may be added to the film.

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A report posted on Cinema Blend has highlighted a discovery that some fans shared on Reddit. The new "Doctor Strange" updates are said to be linked to Harmon's previous San Diego Comic-Con presentation where he talked about "Community." He even shared a quick glimpse of his computer during the said event.

One of the file names that were flashed on-screen has caught the attention of some fans. It is said to contain the file name "Strange confronts Dormammu." Avid Marvel comic book lovers may recall that Dormammu is one of Doctor Strange's enemies. The said character is an ancient demonic entity who has a fiery head.

At this point, it is still unclear if Dormammu will make an appearance in the upcoming film. Mads Mikkelsen's character Kaecilius has been one of the villains that have been confirmed for the said movie. However, story speculations posted on the same report has indicated that Harmon may have written a post-credit scene for "Doctor Strange" that may potentially introduce Dormammu. The said speculated scene may also be used as a teaser for a potential movie sequel.

Meanwhile, a special behind-the-scenes clip that was released through Marvel Entertainment's Youtube account on Tuesday, Aug. 30, has revealed more information about the upcoming film's characters, CNET reported. In the video, Tilda Swinton described her character, the Ancient One, as a being who deals in "real proper inner magic."

On the other hand, Chiwetel Ejiofor shared that his character Modor has close ties with the Ancient One. He also commented that Modor will play a critical role in Doctor Strange's introduction to the world of mysticism and magic. Meanwhile, showrunner Kevin Feige has also expressed his excitement for the film's villains including Mikkelsen's Kaecilius.

"Doctor Strange" will hit movie theaters on Nov. 4.

Watch the special sneak peek video below: