The Mad Titan is not the only villain finally arriving in Marvel’s Avengers: Infinity War. He’s bringing with him a group of henchmen known in the comics but barely seen in the snippets of Infinity War we have so far: the Black Order. Here’s what you need to know going in….
Source: https://io9.gizmodo.com/a-guide-to-avengers-infinity-wars-black-order-thanos-1824295431