Preheat oven to 350.
Core and slice apples into rings.
Pick about 20 slices and cut into quarters.
Dice remaining apple rings qnd set aside.
Spray muffin pan with non stick spray or grease.
In a medium bowl, combine melted butter, cinnamon, nutmeg and brown sugar and stir until blended.
Spoon 2 teaspoons of butter mixture into each cup.
Place apple ring quarters in a circle around bottom.
Combine cake mix, oil, eggs and water in a bowl and beat on low until incorporated.
Fold in diced apples.
Fill each cup 2/3 full with batter.
Bake 20-25 minutes or until toothpick inserted in center comes out clean.
Allow to cool in pan for 5 minutes.
Run a butter knife around edges of each cup and invert onto baking sheet to remove cupcakes.