1. Make cupcake according to the instructions on the box.
2. Fill cupcake wrappers half with cupcake mix, then a layer of cherry pie filling, then top off with cupcake mix.
3. Bake according to instructions on box.
4. Once cupcakes have cooled, decorate the tops with white icing.
5. Draw two lines with red food coloring to look like the bloody fang marks.