Question: Which 2008 movie starring Robert Downey Jr. did Shane Mahan create special effects for?
Sentence (from "Shane Mahan"): Shane Patrick Mahan (born September 22, 1964) is an American special effects creator and creature designer and puppeteer and producer known for his work in special effects, creature concept design and for creating the bodysuits and effects for the characters in Avengers, Iron Man in the 2008 film of the same name.
Relevant evidence: Yes