Sparkling Pineapple-Lime Punch

bunch fresh mint , stems removed

pkg. (0.13 oz. each) KOOL-AID Lemon-Lime Flavor Unsweetened Drink Mix

pineapple juice , chilled

bottle (2 L) carbonated lemon-lime soda , chilled

lemon , cut lengthwise in half, then sliced crosswise

lime , sliced