Natural and artificial flavors. Sugarfree. 35% fewer calories than sugared gum. Calorie content of this size piece has been reduced from 8 to 5 calories. Contains bioengineered food ingredients. Marvel Avengers. Every pack unlocks in-game content details inside. www.mars.com. playavengers.com/5gum. Questions? Comments? Call 1-800-974-4539; www.mars.com. Visit playavengers.com/5gum.