Robert Downey Jr. surprised Comic-Con on Saturday. Jesse Grant/Getty Images for Disney Share on Facebook Share on X Google Preferred Share to Flipboard Show additional share options Share on LinkedIn Share on Pinterest Share on Reddit Share on Tumblr Share on Whats App Send an Email Print the Article Post a Comment Doom came to CinemaCon Thursday, where Marvel Studios showed off the first extensive look at Avengers: Doomsday, its multi-verse mashup movie that brings Robert Downey Jr. back to the fold.