Well, this might sound a bad news for the fans; if it is true that, Robert Downey Jr, who plays the famous character of Tony Stark a.k.a Iron Man will not be returning in 4th part of the popular Marvel Franchise.

Downey's role in the "Iron Man" franchise has been kept tightly under wraps ever since speculation first started that he may not be returning for the fourth movie, reports contactmusic.com.

As per reports, Downey does not want to leave "Iron Man". However, the final decision is in the hands of Marvel Studio.
"It’s down to Kevin Feige, Marvel Studios president and Ike Perlmutter, CEO of Marvel Entertainment  and Disney to come to us with what the proposal is, and that’s on us to agree or disagree, Downey said. When things are going great, there’s a lot of agreement," said Downey in an interview.

Well there were many speculation of Robert Downey Jr, to get replaced by Another Hollywood Superstar Bradley Cooper for the title role, but the things were just a mere speculated.

Even Mark Walberg has shown interest to play the title role of Iron Man.

RDJ, who plays the role of a genius billionaire playboy philanthropist in the franchise, was voted the richest actor in Hollywood by Forbes earlier this week.