The trailer for the sequel of Avengers is one of the most highly-anticipated part of Comic-Con in San Diego. Sneak peek of "Avengers: Age of Ultron" has been released and fans cannot contain their happiness.

The hype has been really intense about this and luckily, the trailer lived up to the fans' expectations. The trailer started with a less dramatic beginning showing the Avengers just hanging out at their tower. They were betting about who can pick up Thor's hammer. That's when Ultron first appears. He says that no one is worthy because all of them are killers.

Like Us on Facebook

Ultron says, "You want to protect the world but you don't want it to change. There's only one path to peace ... your extinction." His army of robots then appear behind him. Toward the end of the trailer, the Avengers are shown to be defeated while lying in the Thanos' tomb. The trailer ended with Tony Stark towering over a seemingly dead Captain America.

The trailer was breathtaking and fans cheered as the trailer ended. The trailer was action-packed and the fans were really happy about how the movie was presented.

There were around 7,000 fans who welcomed the Marvel's panel. The casts were brought out one at a time. Robert Downey Jr. was the first one to go out and be greeted by the audience.

The Iron Man actor was reportedly throwing out roses to the audience. Only Scarlet Johansson was not present in the panel but the rest of the gang made it to the event.

"Avengers: Age of Ultron" is expected to gross as much as the first movie did. Marvel has set high standards for their movies and fans did not seem to show any sign of growing tired with anything related to Marvel. They also showcased the Ant Man movie which was mentioned by the Marvels panel.

The movie is set to hit the theatres on May 2015.

TagsAge of Ultron, Trailer, Comic Con