Step 1
Preheat oven to 350 degrees F (175 degrees C).
Step 2
Grease 24 muffin cups or line with paper liners.
Step 3
Place chocolate cake mix water vegetable oil and eggs in a mixing bowl. Beat with an electric mixer on medium speed until thoroughly combined about 2 minutes.
Step 4
Fill prepared muffin cups 2/3 full with batter.
Step 5
Bake in the preheated oven until a toothpick inserted into the center of a cupcake comes out clean 19 to 23 minutes.
Step 6
Allow cupcakes to cool thoroughly.
Step 7
Beat the 2 packages of pudding mix with milk in a bowl using an electric mixer until thickened about 2 minutes.
Step 8
Beat thawed whipped topping into pudding mixture to make a creamy filling.
Step 9
Spoon about 1 1/2 cup chocolate pudding filling into a pastry bag fitted with a large piping tip.
Step 9
Press the piping tip into the center of each cupcake and fill cupcake with about 1 1/2 tablespoon of pudding mixture.