Question: Who plays thanos in the first avengers movie?
Disambiguated questions and answers: question: Who plays thanos in The Avengers (2012 film)?
Who plays thanos in the following Avengers: Age of Ultron?
answer: Damion Poitier
Joshua James Brolin
Josh Brolin
Natural Questions answer: Damion Poitier (from the Wikipedia article "Thanos")