Marvel unleashes first Avengers: Age of Ultron teaser trailer

Marvel has released its first full trailer for Avengers: Age of Ultron.

The teaser sees Captain America (Chris Evans), Iron Man (Robert Downey Jr), Thor (Chris Hemsworth) and the rest of the team unite against the mighty Ultron, played by James Spader.

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The trailer was originally due to premiere during the next episode of Agents of SHIELD to air on ABC next Tuesday (October 28) but Marvel was forced to reveal the two minute clip early after it was leaked.

Scarlett Johansson, Jeremy Renner, Samuel L Jackson and Cobie Smulders will also reprise their roles in the sequel, alongside newcomers Aaron Taylor-Johnson and Elizabeth Olsen.

Avengers: Age of Ultron will be released in UK cinemas on April 24, 2015 and in the US on May 1.

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