Well, as I have been suspecting for a long time, it appears Ultron isn't created and slowly gains sentience. Ultron is born into sentience. In fact, Ultron seems to be sentient before he's even "created" by Tony. He was always there. That's what I gather from this: " Sent me? the being asked, seemingly surprised. No, I was already here, my whole life. In fact, I am life. Im part of whats next an inevitability"
Ultron is acting and speaking as if he's had his plans LONG before he was created. He and Wanda seem to have an understanding of that.
Also, Ultron is showing signs being Sadistic, a Sociopath, and Manic Depressive. It's pretty damn awesome and gonna make these next 3 weeks horrible