Rub garlic over the bottom and halfway up the sides of a heavy large saucepan; discard garlic.Advertisement
Add hard cider to the saucepan and bring to a simmer over medium heat. In a very large bowl toss cheeses with cornstarch. Stir cheese into hard cider, a handful at a time, until melted and smooth. Stir in hot sauce.
Transfer to fondue pot and serve with assorted dippers.