Peril on the set: Celebrity injuries
A look at a few celebrity cases.
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Robert Downey Jr. | 'Iron Man 3'
Robert Downey Jr.as Tony Stark, a.k.a. Iron Man, in the movie "Iron Man 2."
Robert Downey Jr., the hammy captain of the massive "Avengers," hurt his ankle mid-stunt in August 2012 on the set of "Iron Man 3" on location in Wilmington, N.C. The film will be temporarily delayed while Downey recuperates.