When Justin Hammer lays siege to Avengers Tower during the annual holiday party, theres only one person left on site to stop him—Happy Hogan. But in setting out to prove his hero chops, Iron Mans errand boy may end up transforming himself in more w When Justin Hammer lays siege to Avengers Tower during the annual holiday party, theres only one person left on site to stop him—Happy Hogan. But in setting out to prove his hero chops, Iron Mans errand boy may end up transforming himself in more w