Crush the Oreo cookies and melt the butter. Mix together and layer in the bottom of a 13x9 inch pan.
Whip the heavy whipping cream with a mixer until peeks form. Set aside.
In a separate bowl, cream together softened cream cheese and powdered sugar. Mix the peanut butter into the cream cheese mixture until completely mixed together.
Fold in the whipped cream into the peanut butter with a spatual. When all folded in, spread over the Oreo cookie crust.
Spread thawed cool whip over the top of the peanut butter.
Chop up the peanut butter cups. Sprinkle over the whipped cream.
Melt the chocolate chips and Crisco together in the microwave in 15-second incraments. Stir until the chips are melted.
Melt the peanut butter in the microwave in 15-second increments.
Use a spoon to drizzle the chocolate and peanut butter over the top of the cool whip.