Fans preview entire movie `` Jon Favreu vs. the World , '' at iPhone . San Diego , California ( CNN ) -- Only at San Diego Comic-Con , the annual gathering of self-proclaimed fanboys and fangirls , can an early screening of a movie feel like a rock concert , and then literally become one . Movie studios are employing dancing girls , scavenger hunts , Comic-Con apps and more . The `` Harry Potter '' franchise will make third appearance at Comic-Con the second year in a row .
Fans preview entire movie `` Jon Favreu vs. the World , '' at iPhone . Movie studios are employing dancing girls , scavenger hunts , Comic-Con apps and more . The `` Harry Potter '' franchise will make third appearance at Comic-Con the second year in a row .