Place a muffin pan inside a cookie sheet and lined them with cupcake papers
In a bowl, place the cake mix, oil, water and eggs and mix them throughly with a whisk
Using an ice cream scoop, take out balls of the Pumpkin Pie filling. Leave the crust intact
Spoon a little of the cake batter inside each cupcake paper
Drop Pumpkin balls on top and cover with the remaining batter
Bake for 20-25 minutes or until the tops are brown. While the cupcakes are baking place the Pumpkin Pie crust in the oven as well until browned (25-30 minutes)
Remove cupcakes from the oven and let them cool in a baking rack
Cut the pumpkin pie crust into little pieces
When they are completely cool top with cool whip and pumpkin pie crust crumbles