1. Heinz's "Tomato Blood" Campaign Heinz brought back its limited-edition “Tomato Blood” ketchup, allowing consumers to use ketchup as fake blood for costumes. With a pop-up store in LA and online Halloween kits, this campaign captured the fun and spooky side of Halloween while driving engagement on social media. Why it works: Clever product repurposing combined with interactive elements made this campaign a hit for families and horror fans.