Avengers Origins: Vision (2013) #1

Is he man or machine? Created by the evil Ultron, The Vision was meant to be a terrifying weapon of destruction. But when tasked with destroying The Avengers, he must decide whether to follow his programming...or defy his creator. Witness the origin of The Avengers' most mysterious member in this exciting one-shot! Written by Kyle Higgins & Alec Siegel with art by Stephane Perger.