Scarlett Johansson portrayed the character in the films Iron Man 2 (2010), The Avengers (2012), Captain America: The Winter Soldier (2014), Avengers: Age of Ultron (2015), Captain America: Civil War (2016), Avengers: Infinity War (2018) and the Untitled Avengers film (2019) as a part of the Marvel Cinematic Universe franchise.\n\nAnswer this question based on the passage: who plays black widow in iron man 2? OK. Let's think. My stream of consciousness:
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The important part for answering this question is: Scarlett Johansson portrayed the character in the films Iron Man 2 (2010), The Avengers (2012), Captain America: The Winter Soldier (2014), Avengers: Age of Ultron (2015), Captain America: Civil War (2016), Avengers: Infinity War (2018) and the Untitled Avengers film (2019) as a part of the Marvel Cinematic Universe franchise. The answer is Scarlett Johansson.
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