Posted in: Nerd Food, Pop Culture | Tagged: Feastables, Liquid Death, MrBeastLiquid Death Partners With MrBeast For Peanut Butter Cup FlavorLiquid Death teamed up with MrBeast to make a new flavor of canned water, as they presented the Feastables' branded Peanut Butter Cup. Article Summary Liquid Death partners with MrBeast and Feastables for a limited Peanut Butter Cup sparkling water collab. Liquid Death has formed a new partnership and collaboration, this time with MrBeast, as the two have come together for the Feastables x Liquid Death Peanut Butter Cup flavor. The Ultimate Peanut Butter Cup Bundle : Includes a 2lb box of Feastables snack-sized Peanut Butter Cups plus a 12-pack of Liquid Death x Feastables Peanut Butter Cup Sparkling Water. : Includes a 2lb box of Feastables snack-sized Peanut Butter Cups plus a 12-pack of Liquid Death x Feastables Peanut Butter Cup Sparkling Water.