Avengers: Age of Ultron Trailer-The second installment of the Avengers hits theaters May 1, 2015 with Avengers: Age of Ultron. It looks like the movie takes an arresting dark turn with Ultron taking aim at Iron Man, Thor, Captain America and the rest of the world. The trailer gives us a dramatic glimpse of Captain America’s shield being broken and Thor dropping his hammer, among several other brief clips.