There are only a few hours left before the beginning of Fortnite Chapter 2 Season 4. We'll soon know what the superheroes are coming to Apollo Island to do. In the meantime, Epic Games will tease us methodically by incorporating Asgardian runes from the Bifrost into the game. There are six of them, east of Weeping Woods, on the hill.
Map
At the time of writing these lines, they are only elements of scenery. We cannot interact with the runes on the ground.
According to the last comic strips, it's Sif who is responsible for these footprints. Each of them could correspond to a hero sent as a reinforcement.
In Nordic mythology, the Bifrost is a kind of rainbow bridge between the earth and the heavens. It allows Asgardians to travel extremely quickly between different dimensions.
Original content by Romain "Zorg" Becquelin.