Qu'lar is one alien defending the Sanctuary II, Thanos' Space Ark. He has a cyborg appearence.
When his master launched his stellar genocide, the Avengers broke into the Ark and Qu'lar was one of the few aliens with the ability of talking. He wants to prevent the Avengers from getting into his Master's inner sanctum.
Unfortunately, he is hit by one of Captain Marvel's beam and defeated.