Cast member Paul Bettany poses at the premiere of "Transcendence" in Los Angeles, California April 10, 2014. The movie opens in the U.S. on April 17.
Cast member Paul Bettany poses at the premiere of "Transcendence" in Los Angeles, California April 10, 2014. The movie opens in the U.S. on April 17. REUTERS/Mario Anzuoni

"Avengers: Age of Ultron" may have experienced biggest spoilers leak, revealing massive spoilers about the Supervillain. According to reports swirling around call sheets from the sets of the movie has emerged online teasing significant details from the film's plot.

This article contains potential spoilers for "Avengers: Age of Ultron." Read only if you want to know more about it.

According to Cosmic Book News call sheets for the upcoming Marvel movie "Avengers: Age of Ultron" are "being auctioned off on eBay." The entertainment news website notes that these sheets list the actors, characters and other details for the production of the movie.

The website has published a shot of the said call sheets and the spoilers it contains. According to the website, "Call sheet 66" reveals the killer of Ultron. At the bottom of the call sheet, it is stated "ion kills Ultron." The website speculates that it has to be read as "Vision kills Ultron." For those unfamiliar, The Vision is being played by "Iron Man" voice artist Paul Bettany.

However, it is said the movie will feature several clones of the supervillain in Ultron Prime's army. The detail might just be suggesting that "The Vision kills an Ultron and not the Ultron." Thus it is inferred that it may not be the ending of the movie and it still remains a mystery.

There are more details that the said call sheet apparently reveals. As noted by the website, South Korean actress Claudia Kim is also the part of the "Avengers: Age of Ultron" cast and will portraying the role of Dr. Cho. Besides, the movie might introduce a new character named Zrinka. Comic Book Movie is speculating that this character might be the "mystery lady seen dancing (?) behind Thor" in the latest trailer.

As per the call sheet, the movie might also feature a scene wherein Chris Evans' Captain America will tell Robert Downey Jr.'s Tony Stark to "watch his language." Furthermore, it is stated that in a scene, "Pietro [Maximoff] as he watches the Hulk transformation, and he sees a butterfly cocoon."

"Avengers: Age of Ultron" is currently in post production phase. The film stars Robert Downey Jr., Chris Hemsworth, Mark Ruffalo, Chris Evans, Jeremy Renner, Samuel L. Jackson, Aaron Taylor Johnson, Elizabeth Olsen, Scarlett Johansson and James Spader. The movie is scheduled to be released on May 1, 2015. For more spoilers and details, read below:

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'Avengers: Age Of Ultron' Plot Details, Spoilers: Find Out Who Kills Ultron And Who Is 'Worthy' Enough To Lift Thor's Hammer After He Dies--Report

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