Later that same day, high-res renders of the same bottle design were found on Smartlabel, confirming the flavor profile to be Berry Plum. On January 18th, 2022, low-quality 20-ounce bottle renders of Purple Thunder were found in the PepsiCo Contact files. In December 2021, The Kashruth Council of Canada gave a Kosher certification for Mtn Dew Purple Thunder Blackberry Plum, revealing the flavor to be Blackberry Plum. Not much was known about it, with heavy speculation as to what it may be.
In November 2021, it was discovered that a trademark for a MTN DEW PURPLE THUNDER was filed. Despite having a different tagline, the taste is identical to its American counterpart. In Canada, it is simplified to ' BLACKBERRY PLUM', or ' MÛRE ET PRUNE'.
Its tagline is ' DEW with a Blast of Berry Plum. Purple Thunder is a Berry Plum flavor of Mountain Dew and has a purple (hence its name) look, partly having a comparable tasting flavor and color to that of Game Fuel (Electrifying Berry).
