https://www.pcgamer.com/fortnites-first-unlikely-vehicle-is-coming-soon/

For James, Fortnite's rocket riders are proof the battle royale 'em up doesn't need vehicles. I agree, those airborne stunts are neat—but what if it added something you could share with a friend? Not a car, not a 4x4, not a motorcycle sidecar, not a tandem glider, but, um, a shopping trolley.  

"Roll into battle alone or with a buddy," reads the "Coming Soon" description of Fortnite's forthcoming Shopping Cart.