Behind the Scenes of 'Avengers: Age of Ultron'

1:13 PM PST, Wed Mar 4, 2015

ET is exclusively on the London set of Avengers: Age of Ultron with Robert Downey Jr., Scarlett Johansson, Mark Ruffalo and Chris Hemsworth.

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Behind the Scenes of 'Avengers: Age of Ultron'

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