The Mind Stone, the gem embedded in Vision's forehead, is one of the Infinity Stones--those pesky little suckers that Thanos needs to complete the Infinity Gauntlet and rule the universe.

The Vision's body is capable of interfacing with some unknown dimension with which he can shunt or accrue particles of mass. At maximum mass, the Vision weighs about 90 tons.

Horton Cells mimic all the functions of human tissue, but are several times as strong, durable and resilient.

During the Avengers Disassembled storyline, the Scarlet Witch forces Vision to crash a Quinjet into Avengers Mansion and attack his teammates. She-Hulk freaks out, goes savage, and rips Vision in half, killing him.