Clark Gregg autographs Red Baron’s custom “Marvel’s The Avengers” movie poster at the film’s world premiere on Wednesday, April 11, 2012 at the El Capitan Theatre in Los Angeles. The poster ... more 
Clark Gregg autographs Red Baron’s custom “Marvel’s The Avengers” movie poster at the film’s world premiere on Wednesday, April 11, 2012 at the El Capitan Theatre in Los Angeles. The poster will be auctioned off on eBay Giving Works with all proceeds benefiting Wounded Warrior Project. (Casey Rodgers/AP Images for Red Baron) less 
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Associated Press
Wed, Apr 11, 2012 11:39 PM EDT