Abilities: Vision was an android with a synthetic Vibranium body, which allowed him to walk through walls and fly. His consciousness was a combination of Tony Stark, Bruce Banner, Stark's personal A.I., and the Mind Stone.

Power scale: 7. In theory, Vision should be one of the most powerful Avengers. He had the freaking Mind Stone embedded in his forehead. But it's clear that Vision never tapped into the stone's true power — possibly because he knew what kind of destruction and horror that kind of power could cause. He even admitted that he didn't understand the stone, and that it controlled him more than he controlled it.

He was also meant to be the smartest and certainly the most righteous Avenger. He was even able to wield Thor's hammer in "Age of Ultron." But in actual battle scenes, he didn't prove himself to be very effective: He was completely useless in "Infinity War" and only managed to survive with Wanda's help. When he was destroyed by Thanos, Vision didn't even put up a fight.