Question: What 2013 superhero film did Christopher Townsend work on?
Sentence (from "Iron Man 3"): In "Iron Man 3", Tony Stark deals with posttraumatic stress disorder caused by the events of "The Avengers", while investigating the reemergence of the Ten Rings, led by the mysterious Mandarin and comes into a conflict with an old enemy: Aldrich Killian.
Relevant evidence: No