From a copywriting and content creation standpoint, the World Cup has always been a creative oasis for marketers of soft drinks, sporting apparel, travel destinations, and more (like the Super Bowl, only longer, better, and more enjoyable -but that's for another blogpost). There are decades of examples to choose from, and I would take the time to do a bit of browsing of print and videos (hello again YouTube). Because you can draw a lot of inspiration.