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NEW YORK, NY - APRIL 27: Robert Downey, Jr. (2nd L), Jeremy Renner (2nd R) and NYSE Tom Farley join Marvel Entertainment executives ring the NYSE opening bell in celebration of "Marvel's Avengers: Age Of Ultron" at New York Stock Exchange on April 27, 2015 in New York City. (Photo by Mireya Acierto/FilmMagic)

NEW YORK, NY - APRIL 27:  Robert Downey, Jr. (2nd L), Jeremy Renner (2nd R) and NYSE Tom Farley join Marvel Entertainment executives ring the NYSE opening bell in celebration of "Marvel's Avengers: Age Of Ultron" at New York Stock Exchange on April 27, 2015 in New York City.  (Photo by Mireya Acierto/FilmMagic)