Warm cream cheese in a heavy bottomed saucepan over medium heat, stirring until melted.
Stir in cheddar and mozzarella cheese, beer, chili powder, garlic and onion powder, and cayenne pepper into cheese until smooth and heated through, stirring frequently for about 10 minutes.
Preheat oven to 450°F. On a foil lined sheet pan sprayed with cooking spray add frozen toasted four cheese ravioli and bake for 10-12 minutes.