Martha Marcy May Marlene actress Elizabeth Olsen has officially joined The Avengers sequel Age of Ultron.

Samuel Jackson, who will reprise his role as “Nick Fury” in the upcoming sequel to the colossally successful adventure film, confirmed the news in an interview with The Wall Street Journal.

Jackson revealed that Olsen, the younger sister of twin actresses Mary-Kate and Ashley, will play “Wanda Maximoff/Scarlet Witch,” who has the ability to manipulate probability.

“… We added Ms. Olsen, but I don’t know what she’s doing, if she’s on the inside or the outside. I haven’t seen a script.” Jackson said.

Production on The Avengers: Age of Ultron, which is slated for a 2015 release, is set to begin in March 2014.

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