Spoon 1/2 cup fudge sauce into bottom of pie crust. Gently spread 1/2 of the whipped topping over fudge sauce; place in freezer 10 min.
Pour milk into large bowl; stir in peanut butter until smooth. Add pudding mixes. Beat with wire whisk 2 minutes or until smooth. (mixture will be thick) Immediately stir in remaining whipped topping.
Spoon over layers in pie crust.
Refrigerate 3 hours or until set. To serve drizzle with remaining fudge topping.
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