Apparently some people thought Thanos' outfit wasn't good enough. So they decided a photoshop contest was how to solve it.
https://io9.gizmodo.com/27-great-new-avengers-infinity-war-costumes-for-thanos-1820930723
https://io9.gizmodo.com/27-great-new-avengers-infinity-war-costumes-for-thanos-1820930723