ARRANGE 32 of the wafers on bottom and up side of 2-1/2-qt. serving bowl; set aside. Beat cream cheese and pumpkin in medium bowl with electric beater on medium speed until well blended. Add vanilla and spice; mix well.
POUR milk into large bowl. Add dry pudding mix. Beat with wire whisk 2 min. or until well blended. Let stand 5 min. Gently stir in 1-1/2 cups of the whipped topping. Add cream cheese mixture; stir until well blended.
SPOON half of the pudding mixture into prepared bowl; top with the remaining wafers. Cover with layers of the remaining pudding mixture and remaining 1/2 cup whipped topping. Sprinkle with the Autumn Spiced Nuts. Store leftover dessert in refrigerator.