 The film contains more than 2 @,@ 200 visual effects shots completed by 14 companies : Industrial Light & Magic ( ILM ) , Weta Digital , Scanline VFX , Hydraulx , Fuel VFX , Evil Eye Pictures , Luma Pictures , Cantina Creative , Trixter , Modus FX , Whiskytree , Digital Domain , The Third Floor and Method Design . ILM was the lead vendor and shared responsibility for creating many of the film 's key effects , including the Helicarrier , the New York cityscape , digital body doubles , Iron Man and the Hulk . To create the on @-@ screen Hulk , Ruffalo performed in a motion @-@ capture suit on set with the other actors while four motion @-@ capture HD cameras ( two full body , two focused on his face ) captured his face and body movements . Jeff White , ILM 's visual effects supervisor , said , " We really wanted to utilize everything we 've developed the last 10 years and make it a pretty spectacular Hulk . One of the great design decisions was to incorporate Mark Ruffalo into the look of him . So , much of Hulk is based on Ruffalo and his performance , not only in motion capture and on set , but down to his eyes , his teeth , and his tongue . " 
