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"The Dark Knight Returns saw its sales figures increase by 161% following the announcement of the so-called Superman vs Batman movie at Comic-Con. Confirmation of the new film boosted both print and digital sales of the Frank Miller graphic novel, which depicts a battle between an aged Dark Knight and the Man of Steel in its latter chapters.  DC Comics&amp;#039; titles featuring Batman and Superman also performed well during July, with Superman: Unchained #2 and Batman #22 taking first and second place on the single-issues chart, Variety reports. Man of Steel director Zack Snyder confirmed during a Comic-Con panel that the sequel to the movie will see Batman and Superman share the big screen for the first time. Snyder is understood to have enlisted the help of Miller to advise on the project, though a direct adaptation of Dark Knight Returns is considered unlikely. Dark Knight Returns was adapted as a two-part animated feature last year with Peter Weller providing the voice of Batman. &amp;gt; Superman vs Batman movie: What do you want to see? &amp;gt; Comic-Con 10 movie highlights: &amp;#039;X-Men&amp;#039;, &amp;#039;Thor&amp;#039;, Batman vs Superman Gallery - 10 actors who could play the new Batman  "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.digitalspy.com/comics/batman/news/a506415/dark-knight-returns-sales-surge-following-comic-con-announcement/>