For now, fans can look forward to seeing Robert Downey Jr. as Iron Man in Infinity War, paired with the Guardians of the Galaxy as they attempt to take on Thanos and his Black Order.
Robert Downey Jr. started the MCU with the first Iron Man movie ten years ago and the matching was perfect.
Robert Downey Jr. will probably not return to the MCU after the events of Infinity War and the still untitled Avengers 4, but anything is possible.
Robert Downey Jr. has been very vocal about leaving the Marvel Cinematic Universe at the top of his game, leaving many to speculate that Iron Man will not make it out of the battle with Thanos alive.