PepsiCo’s Mountain Dew brand is bringing back three consumer-favorite Mountain Dew flavors: Mountain Dew Pitch Black, Mountain Dew Supernova and Mountain Dew Typhoon. For a limited-time, the three Moutnain Dew flavors will be released as part of the brand’s Back by Popular Dew-mand campaign. The program will re-launch Mountain Dew Pitch Black and Mountain Dew Supernova nationwide and Mountain Dew Typhoon will be available exclusively in 2-liter containers at Wal-Mart Supercenters.