Butterscotch anyone?

• 1 package (16 ounces) cream-filled vanilla sandwich cookies, crushed

• 1/2 cup butter, melted

• 1 package (8 ounces) cream cheese, softened

• 1 cup confectioners' sugar

• 1 carton (12 ounces) frozen whipped topping, thawed, divided

• 2-1/2 cups cold 2% milk

• 2 packages (3.4 ounces each) instant butterscotch pudding mix