Vision is a powerful, synthetic being born from a Vibranium-laced body created by Ultron and Helen Cho, programmed by Tony Stark and Bruce Banner using J.A.R.V.I.S.-based codes, and activated by the Mind Stone that was hidden inside the Chitauri Scepter. Originally conceived as the perfect form for Ultron, Vision was repurposed when Tony Stark and Bruce Banner implanted J.A.R.V.I.S.-based codes into his mind, granting him a benevolent personality and a fondness for humanity. This led him to join the Avengers to stop Ultron. After Ultron's defeat, Vision became a member of the Avengers under the leadership of Captain America.
The new Avengers team did not last long as Vision joined with Tony Stark supporting the Sokovia Accords, which put him into conflict with Captain America and his allies. Vision became involved with the Avengers Civil War where his newfound feelings for the Scarlet Witch caused him to accidentally injure War Machine.
2 year later, Vision was targeted by Thanos and the Black Order due to him possessing the Mind Stone. Despite the Avengers' best efforts to protect him, Thanos successfully took the Mind Stone from Vision, thus killing him.
Powers and Stats
Origin: Marvel Cinematic Universe
Age: 2-3 years old at the time of his death
Powers and Abilities: Superhuman Physical Characteristics, Flight, Phasing, Density Manipulation, Energy Projection, Hacking (Can hack into other AIs' programming and disable their ability to enter the Internet), Genius Intelligence, Synthetic Skin Construction (Vision can generate synthetic material to create clothes), Skilled Combatant, Transformation (Can turn into human-form), Precognition (Sensed Thanos coming)
Speed: High Hypersonic combat speed and reactions (Somewhat comparable to Hulk. Could catch up to Ultron Sentries, could easily dodge Hawkeye's arrows), with High Hypersonic flight speed (Should be as fast as Iron Man)
Lifting Strength: At least Class 50, likely far higher (Should be at the very least as strong as Captain America. Overpowered Corvus Glaive)
Striking Strength: Mountain Class+ (He should roughly match Ultron's Vibranium form)
Durability: At least Mountain level+ (Is made out of Vibranium, withstood Ultron's attacks with no visible damage)
Stamina: Likely limitless
Range: Several meters with Mind Stone energy beam.
Standard Equipment: Mind Stone
Intelligence: Very high
Weaknesses: Blocking Internet access drains Vision of power.