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Robert Downey Jr sustained an injury to his foot while performing a stunt on the set of "Iron Man 3". Image Credit: AP

Production on Iron Man 3 is on hold after star Robert Downey Jr hurt his ankle during filming.

Marvel Studios said Thursday that Downey was injured while performing a stunt and “there will be a short delay in production while he recuperates”. The 47-year-old actor is shooting the third instalment in the superhero franchise in North Carolina.

Iron Man 3 is set for release next summer. Downey plays billionaire Tony Stark and Gwyneth Paltrow is his love, Pepper Potts. Guy Pearce and Ben Kingsley also star.

Downey also appeared as his Stark/Iron Man character earlier this summer in The Avengers. Disney and its Marvel Studios unit announced Thursday that the follow-up to that film, this year’s biggest hit, will arrive in theatres on May 1, 2015.

The studio announced last week that Joss Whedon will be back to write and direct the as-yet-untitled sequel.