Marvel has released a third official trailer for the upcoming superhero action film Avengers: Age of Ultron slated to hit theaters on May 1st, 2015. The two-minute trailer begins with the voice of James Spader (The Blacklist) as Ultron, the supervillain known as one of the Avengers greatest enemies.
Avengers: Age of Ultron stars Scarlett Johansson as Black Widow, Chris Evans as Captain America, Robert Downey Jr. as Iron Man, and Samuel L. Jackson as Nick Fury among returning actors. The film was directed by Joss Whedon and written by Whedon based on the comic book by Stan Lee.
Early this morning, Marvel tweeted on their official account asking fans to retweet with the hashtag #AvengersAssemble to “unlock” the trailer.