'Iron Man 4' latest news: Robert Downey Jr. unlikely to return for a fourth 'Iron Man' film - Vine Report

'Iron Man 4' latest news: Robert Downey Jr. unlikely to return for a fourth 'Iron Man' film
Vine Report
The future grows dimmer and dimmer for fans who are looking forward to the release of an "Iron Man 4" starring actor Robert Downey Jr. as recent reports continue to crush its possibility. There were previous reports that the 51-year-old actor would be ...and more »