Rumor has it that special guests are stopping by the Comic Con Hall H line on Wednesday night at 9 p.m.  Fans will be lining up early for “The Twilight Saga: Breaking Dawn – Part 2″ panel scheduled for Thursday, July 12 at 12:45 p.m.  If you have Preview Night passes, you may want to head out the building a little early. You don’t want to get caught in the throng of people leaving the Convention…