In 2021, Baja Blast was released at retail as part of the 'Summer of Baja' promotion, alongside new, 'spinoff' flavors. A limited-edition Baja Blast hot sauce was created in 2023 as part of a giveaway promotion. The Baja Blast brand has expanded to include themed merchandise, such as flavored lip balm, room sprays, and Halloween costumes. The flavor was added to the Mountain Dew Energy line of energy drinks later that year. In 2022, Baja Blast was announced as one of the flavors of the Hard Mountain Dew line of alcoholic beverages, which would release in retail stores later that year. Select locations, branded 'Taco Bell Cantina,' offered the alcoholic 'Mountain Dew Baja Blast Twisted Freeze.' The 'Baja Blast Colada' freeze was offered by Taco Bell in 2021. In 2019, Taco Bell began offering a birthday-themed Baja Blast freeze to celebrate the drink's 15th birthday. A zero sugar version was offered starting in 2019. The flavor has returned to store shelves yearly since 2018. As such, Baja Blast was once again discontinued from retailers. It was ultimately announced that Pitch Black had won the vote, and would remain on store shelves. The campaign featured wide promotion of both flavors, including advertisements, NASCAR paint schemes and a 'Dewggro Crag' event themed around the Nickelodeon game show Guts. It was put up against Mountain Dew flavor Pitch Black, and fans would vote for their favorite, the winner of which would be kept on store shelves permanently. In 2016, the flavor was part of the 'DEWcision' campaign. In 2015, Baja Blast was re-released for a limited time at retail stores, along with Sangrita Blast. In January 2014, Taco Bell released Mountain Dew Sangrita Blast, a non-alcoholic sangria flavor, as a sister flavor to Baja Blast, along with a diet version of Baja Blast. The drink was promoted on Twitter, as well as through on-air advertisements featuring Dale Earnhardt Jr. The retail release was only available for a limited time. In 2014, ten years after the drink's original launch, it was released for the first time in a packaged format.

The flavor was heavily promoted at launch with advertising campaigns. One of the first instances of a restaurant offering an exclusive soda beverage was created to increase sales of fountain soda. Created for, and exclusively sold at Taco Bell locations, it was a collaboration between the company and Mountain Dew owners PepsiCo. The flavor was first made available in 2004. Since the original flavor's launch in 2004, the Baja Blast brand has since expanded to include new flavors, alcoholic beverages, and energy drinks, as well as merchandise. Mountain Dew Baja Blast is a tropical lime-flavored soft drink created for Taco Bell restaurants.

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