There's no denying that the success of "Avengers: Age of Ultron" is backed by the amazing chemistry of its cast. In this high-definition gag reel leaked online from Tumblr, you will see the actors having a blast while filming the blockbuster sequel.

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The hilarious gag reel is one of the many features in the Blu-Ray edition of the movie which is set to be released on October 2, 2015. Other bonus clips include From the Inside Out - Making of The Avengers: Age of Ultron, The Infinite Six, Global Adventure, Deleted and Extended Scenes, and Audio Commentary with Director Joss Whedon.

Watch this video before Hydra takes it down!

"Avengers: Age of Ultron" grossed over $1.4 billion worldwide. It earned $191 million in its opening weekend in the United States and ranked number one in 4, 276 theaters.

Earth's mightiest heroes reunite in this epic follow-up and were later on joined by Vision and the mysterious twins Wanda and Pietro Maximoff who were also known as Scarlet Witch and Quicksilver. The Avengers need all the help they can get to beat the AI robot gone wild, Ultron. Written and directed by the genius Joss Whedon, the film is rich in canon and action. You can now relive it when the Blu-Ray version goes on sale in a couple of months!

The actors also reprised their roles with Robert Downey, Jr. as Iron Man, Chris Evans as Captain America, Chris Hemsworth as Thor, Mark Ruffalo as The Hulk, Scarlett Johansson as Black Widow, and Jeremy Renner as Hawkeye. The ever reliable support team was also present headed by Samuel L. Jackson as Nick Fury and Cobie Smulders as Agent Maria Hill. James Spader played the villain Ultron while Elizabeth Olsen played the role Wanda Maximoff and Aaron Taylor-Johnson played Pietro Maximoff. Paul Bettany was a vital addition to the team as he played the role of Vision.

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