Add dry pudding mixes and juice. Beat with wire whisk 2 min. or until well blended. (
Mixture will be thick.)
Spread 1-1/2 cups of the pudding onto bottom of crust; set aside.
Add half of the whipped topping to remaining pudding; stir gently until well blended.
Spread over pudding layer in crust.
Place 2 cups of the marshmallows in large microwaveable bowl.
Add 2 Tbsp. milk; stir. Microwave on HIGH 1-1/2 min. or until marshmallows are completely melted, stirring after 1 min. Stir until well blended. Refrigerate 15 min. or until cooled. Gently stir in whipped topping; spread over pudding mixture.
Refrigerate 3 hours or until set. Top with the remaining 1/2 cup marshmallows just before serving. Store leftover pie in refrigerator.