According to the Star K, Paper Cupcake Holders ALWAYS need a Hechsher year-round and for Pesach, a Kosher for Pesach certification is needed. No Hashgacha is needed is needed for foil cupcake holders.
From The COR of Greater Detroit: Newly Certified Sodas
The following new Sodas are Kosher/pareve with no symbol required… Mountain Dew Baja Point Break Punch Mountain Dew Baja Laguna Lemonade Canada Dry “Fruit Splash”