If you're looking for the hottest Halloween costume for your son or young male relative or friend - start by going online. Here are the hottest and newest costumes for 2006 - all under $50.Superman Returns (with Muscle Chest) - The world's most beloved superhero is back. A DC Comics character costumePower Rangers Mystic Force - Believe in your destiny to become the Red Ranger. Nick Russell was the last to embrace magic and become a Power Ranger, with his mystic control over fire, he has moves of...