https://www.pcgamer.com/fortnite-thanos-mode-is-live-heres-how-it-works/

Fortnite's Thanos mode is now live. In the wake of its superhero-driven Season 4, Fortnite announced an Avengers: Infinity War crossover event yesterday. For a limited time, battle royalers can fill the boots of burly super villain Thanos—complete with super jumps, Power Stones and structure-destroying punches.   

Live now as part of Fornite's v4.1 update, here's what the Infinity Gauntlet Limited Time Mashup is all about.