It's official, the filming of the 'Avengers: Age of Ultron' movie is in its post-production stage. Also, writer-director Joss Whedon revealed appealing hints about the movie on his Twitter account.

One of the most interesting new hints is that of Devin Faraci, according to Digest, will play a female hero cameo role in the film.

"I have information about multiple drafts of 'Avengers: Age of Ultron', and all feature a cameo by a character the script calls Ms. Marvel (nothing else, including a civilian name or basic look, is specified)," said Digest.

"It's a cameo, so it could change at any time, but the character is planned for the Marvel Cinematic Universe. This is a fact," the report added.

Whedon also revealed a hint about the female cameo part when he talked to HeyUGuys and said that women would definitely have a major role in the upcoming film.

As of now, the confirmed female protagonists are Black Widow, played by Scarlett Johansson, S.H.I.E.L.D agent Maria Hill and Scarlet Witch, who will be played by Elizabeth Olsen.

Meanwhile, there is news about Ms. Marvel as well. Carol Danvers, who is expected to play the role, is believed to be a perfect fit for the part. While Whedon did not spill any more information about Ms. Marvel, he mentioned that she's is one of his favorite characters.

'Avengers: Age of Ultron' is set to release on May 1, 2015.