Peanut Butter and Fudge Swirl Pie

1 8 oz pkg cream cheese, softened
½ c sugar
¼ c creamy peanut butter
2 c thawed Cool Whip
1 6 oz Oreo pie crust
¼ c hot fudge ice cream topping

Beat cream cheese, sugar, and peanut butter in large bowl with mixer until blended. Gently stir in Cool Whip until blended. Spoon into crust; drizzle with fudge topping. Swirl gently with a knife. Refrigerate 4 hours or until firm. Refrigerate leftovers.