McDonald’s KPop Demon Hunters drop isn’t just another cute tie‑in; it’s a case study in how IP, fandom, and fast food now move as one integrated media machine. From Movie Promo To IP “World-Building” McDonald’s isn’t simply promoting a film; it’s extending the KPop Demon Hunters universe into a new “chapter” you physically consume.The HUNTR/X vs. Saja Boys rivalry becomes a menu mechanic, turning every order into a micro-engagement that reinforces character allegiances and s