Thanos is a villain in the Marvel Cinematic Universe. In the 2018 Avengers infinity war Thanos uses the infinity gauntlet and the infinity stones to try and bring his planet back from extinction. As the Avengers try to stop him get the mind stone of off their friend vision they fail and Thanos wipes out half of the universe when he brings his planet back to life. The infinity stones which are the time stone, the mind stone, the space stone, the reality stone, the soul stone and the power stone.