Robert Downey jr. may reportedly join 'Captain America 3' as Iron Man.
According to the Hollywood reporter, as Marvel had no plans of making a fourth Iron Man movie and Downey was to be done with the character in the second and third installments of the Avengers franchise, the talks that the role is being envisioned in the upcoming film.
But the appointment of Downey for the role could see the actor reap a 40 million dollar plus backend.
