"Welcome to the thanos hotline. We serve to eliminate imbalances from the universe and destroy or give life until we achieve perfection. Please state your query: if needed, it shall be transferred to and judged by the supreme overlord, mad titan and infitnity gauntlet-wielder: Thanos." "Hi, uh I wish to eliminate a big, purple piece of cosmic trash who wears a rusty medieval gauntlet with girlish jewelry. Guess who I am talking about?" After the events of infinity war part 1, Thanos has established an hotline to play God and "smooth over rough edges" in the universe. But the Avengers still live, not as the last hope of humanity, but as the only hope of making Thanos pay for his crimes, and to avenge the death of their comrades and of half the universe.