Black Bottom Banana Cream Pie

6 Tbsp. butter or margarine, divided

38   NILLA Wafers, finely crushed (about 1-1/4 cups)

2 Tbsp. sugar

4 squares  BAKER'S Semi-Sweet Chocolate

2 large bananas, sliced

1 pkg.  (3.4 oz.) JELL-O Vanilla Flavor Instant Pudding

1-3/4 cups cold milk

1 cup  thawed COOL WHIP Whipped Topping

MELT 4 Tbsp. butter; pour into medium bowl. Stir in wafer crumbs and sugar. Reserve 2 Tbsp. for later use; press remaining crumb mixture onto bottom and up side of 9-inch pie plate.
MICROWAVE chocolate and remaining butter in microwaveable bowl on HIGH 1 min. or until butter is melted; stir until chocolate is melted and mixture is well blended. Drizzle over bottom of crust; top with bananas.
BEAT pudding mix and milk with whisk 2 min.; pour over bananas. Refrigerate 4 hours. Top with COOL WHIP and reserved crumb mixture just before serving.