Microwave 4 oz. chocolate in medium microwaveable bowl on HIGH 1 to 1-1/2 min. or until melted, stirring after 1 min. Add cream cheese, half the marshmallow creme, dry pudding mix and milk; beat with mixer until blended. Pour into crust.
Beat remaining marshmallow creme with COOL WHIP in separate bowl until blended; spread over chocolate layer in crust.
Refrigerate 2 hours or until firm. Meanwhile, use remaining chocolate to make chocolate curls. Refrigerate until ready to use.
Garnish pie with chocolate curls before serving.