EntertainmentMoviesAction MoviesMCUJames Gunn hails Robert Downey Jr’s Marvel return as a “great idea"When you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. EntertainmentMoviesAction MoviesMCUJames Gunn hails Robert Downey Jr’s Marvel return as a “great idea"When you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. When you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. (Image credit: Getty/Gilbert Flores / Contributor) James Gunnmight be leadingDC Studiosnow, but we will always be interested in what the Guardians of the Galaxy director has to say about theMCU. In a recent episode of the podcastHappy Sad Confused, the director was asked aboutMarvel Studios' decision tobring back Robert Downey Jr.not as Iron Man, but as the franchise’s next big villain Doctor Doom. “I thought it was a smart move. I was …