Having made his first bow during the mid-credits scene of The Avengers - no more than indication that bigger things were to come from him, Thanos' arc as the big bad of the MCU is about to kick into gear with the start of Phase 3. It's been a slow build, but with the pieces moving into position, it would seem the stakes are going to be raised massively. With a number of movies coming that could see him trying to get his hands on the remaining Infinity Stones - the second Avengers movie, for example, which will see the one in the staff he originally gave to Loki (the Mind Stone?) heavily featured, and the Doctor Strange movie, which could introduce the Soul Stone - it's only a matter of time before he's ready to make his move to attack the entire universe. Thanos never works alone, however. In the first Avengers movie, he had The Other, Loki and the Chitauri working on his behalf, while the likes of Ronan, The Other, Korath and Nebula were doing his bidding in Guardians Of The Galaxy. Don't expect that to change during the Infinity War movies just because he'll be wielding the ultimate power. He will definitely have some help and this article will list some of the potential evil powers he might draw upon.