In Mucinex’s latest “Let’s End This” creative by McCann New York, Mr. Mucus is back and trying to trick people into believing that regular cold medicine is a good as Mucinex, which lasts 12. The idea started with a fact: 70% of people want long lasting relief, but they stick with products that only relieve for 4 hours. The latest iteration features him showing up in contextually relevant media with creative design around consumer’s passion points.