https://www.pcgamer.com/fortnite-llamas-are-appearing-all-over-europe/

Source: Reddit user Eversoris86

Over the weekend, a Durr Burger appeared in a California desert. 'Spotted' by a photographer, the surprise patty kicked off a rampant internet investigation with Fortnite players searching for meaning where it turns out very little would be. It was a fun, cute way to be advertised to, but so far there's been no puzzle to solve and no alternate reality game to play.