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"Joss Whedon has revealed why he chose Ultron as the main villain for his Avengers sequel. The director admitted that he originally wanted to introduce the foe in last year&amp;#039;s Avengers. Ultron is an artificial intelligence who first appeared in a 1968 issue of Avengers.   &amp;quot;I was pitching Ultron before I took the job on the first movie,&amp;quot; he told Total Film. &amp;quot;I was like, &amp;#039;I don&amp;#039;t know if I want to do this, but for the second one, you should totally do Ultron&amp;#039;. Because he&amp;#039;s been a thorn in their side as much as any other character over the years and particularly back in my history. &amp;quot;He was great. He&amp;#039;s somebody who can juice things up and he&amp;#039;s a real problem for the Avengers. That&amp;#039;s not always easy to find. It&amp;#039;s not like the Vulture is really going to give them a hard time for 20 minutes.&amp;quot;  Whedon recently said that Scarlett Johansson&amp;#039;s character Black Widow will have a significant role in the sequel. &amp;quot;Natasha (Black Widow) is a huge part of the sequel because you do want to concentrate on the people who don&amp;#039;t have their own franchises,&amp;quot; he commented. The Avengers: Age of Ultron will open in cinemas in 2015. Photo gallery - Marvel at the movies:  "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.digitalspy.com/movies/the-avengers/news/a502474/joss-whedon-on-avengers-age-of-ultron-new-villain-will-juice-things-up/>