Former World Number One Spanish tennis star Rafael Nadal, highest-ranking male American tennis star John Isner and former New York City Mayor David Dinkins were among arrivals at the USTA Billie Jean King National Tennis Center in New York for the 2013 Arthur Ashe Kids Day.
The film will be the first in the Marvel Cinematic Universe led by a person of colour.
The actor plays the titular hero in the forthcoming adaptation.
Rock legend Eric Clapton has admitted the era of the guitar may be ''over''.
Following his success with 'The Force Awakens', the director will close out the trilogy.