Earlier this evening (October 22), fans throughout the world got the chance to get a quick preview of Avengers: Age of Ultron. But that was a leak copy and it was not even the official trailer, which was actually supposed to go on air until a later date. Marvel Studios had no choice but to release the official trailer on their website and official Youtube Channel.

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"Dammit, Hydra," Marvel tweeted with a link to the movie's first trailer.

 "Here it is! Watch the @Avengers: #AgeofUltron Teaser Trailer right NOW #Avengers"

The trailer lasts for two minutes, giving fans a glimpse of who Utron is: the self-aware machine supervillain Ultron.

James Spader lends his voice and gives his life to the character.

And what makes this film even more exciting is the comeback of everyone's favorite Marvel characters: Robert Downey Jr., plays Iron Man, Chris Evans reprises his role as Captain America, Chris Hemsworth is the Thor, Samuel L. Jackson as Nick Fury, Scarlett Johansson as Black Widow, Jeremy Renner as Hawkeye, Mark Ruffalo as The Hulk and Cobie Smulders as Agent Maria Hill.

Meanwhile, the characters of Quicksilver (played by Aaron Taylor-Johnson) and Scarlet Witch (Elizabeth Olsen) also join the stellar cast.

Director Joss Whedon describes Ultron as "a robot who's genuinely disturbed."

The robot is an artificial intelligence program that has Tony Stark's personality and that somber, all-knowing and all-powerful characteristic.

The trailer features Ultron as the archetypal archenemy with a destructive ability. Just check out the trailer and you'll see the widespread chaos that he's inflicted. The trailer definitely leaves audience gasping for their breath with the extremely epic battles, large cast and interconnecting storylines. Slate even notes that  with Ultron's powerful, even troublesome, presence, characters "it seems like some of the Avengers will be relegated to supporting roles in order to develop others. We'll have to wait until May to find out."

TagsAvengers 2, Avengers trailer