Prepare cake batter and bake as directed on pkg. for 24 cupcakes. Cool in pans 10 min. Meanwhile, dip 12 wafers in chocolate; set aside.
Beat pudding mixes and milk in large bowl with whisk 2 min. Stir in 2 cups COOL WHIP; spoon 1-1/2 cups into resealable plastic bag. Seal bag; cut off small corner from bottom of bag.
Pipe about 1 Tbsp. pudding mixture into center of each cupcake. Frost with remaining pudding mixture.
Decorate cupcakes with wafers, marshmallows and any remaining melted chocolate to resemble daisies. Keep refrigerated.