Easy Snickers Bar Pie

8 oz. cream cheese, softened
1 1/4 c. powdered sugar
1/2 c. peanut butter
3 regular-sized Snickers candy bars, chopped
16 oz. Cool Whip, thawed
1 chocolate cookie pie crust
In a large mixing bowl, beat cream cheese, sugar and peanut butter until creamy.  Stir in chopped candy bars.  Gently fold in Cool Whip just until mixed.  Pour into pie crust and refrigerate overnight.