Carl’s Jr. Is Launching ‘Fast-Food’s Hottest Burger,’ Designed by an Ad Agency

72andSunny takes spicy to the next level

There's a new spicy burger at Carl's Jr. and Hardee's today—the Thickburger El Diablo. And it's being marketed as the "hottest burger in fast food."

@KristinaMonllos kristina.monllos@adweek.com Kristina Monllos is a senior editor for Adweek.