(TrendHunter.com) The McDonald's Triple Cheeseburger is being launched by the brand in select markets as a value-focused menu item that's sure to be a hit amongst patrons on the hunt for ways to stretch... (TrendHunter.com) The McDonald's Triple Cheeseburger is being launched by the brand in select markets as a value-focused menu item that's sure to be a hit amongst patrons on the hunt for ways to stretch...