Assembled at the direction of Ultron, the Vision is an android who mimics virtually every organic function of a human being, including independent thought. Seeking vengeance against the Avengers, Ultron programmed the Vision's neural processors with the brain patterns of Wonder Man, and implanted special synthesized cells permitting him to alter his mass and solidity. Ultron then dispatched the Vision to draw the Avengers into a death trap. Moved by the team's plight though, the Vision overrode his mission parameters and helped the heroes defeat his creator. The Vision served the Avengers faithfully for years, all the while seeking to transcend his original programming as a vehicle of vengeance and become fully "human."
