Buying convention exclusive merchandise is one of the best reasons to attend the San Diego Comic-Con. Each year the show floor is filled with literally hundreds of different exclusive items. Fans wait in line, sometimes for many hours, just to get their hands on this highly prized merchandise. After the convention is over these limited edition collectibles often wind up on ebay for greatly inflated prices. So which exclusives will be the hottest at this year's Comic-Con? Read on and see for yourself.