 Principal photography began on April 25 , 2011 , in Albuquerque , New Mexico . In June 2011 , stuntman Jeremy Fitzgerald injured his head while attempting a stunt involving a 30 @-@ foot fall from a building after getting hit by an arrow . A Marvel spokesperson later told TMZ.com that despite the injury , Fitzgerald recovered and continued working on set . The following month , secondary filming took place about an hour outside Pittsburgh , Pennsylvania in the Butler area . A chase sequence was also shot in Worthington , Pennsylvania at Creekside Mushroom Farms , the world 's largest single @-@ site mushroom farm , which provided 150 miles of abandoned limestone tunnels 300 feet below the ground for filming . 
