Originally Posted by spideymouse
It'd be a lot cooler if it did...
People have to keep under consideration that this MCU isn't a literal translation of the comics. They're trying to weave all these things together in such a way that the different pieces fit. It's an entirely different medium and depending on the rest of the cogs in play, it might make more sense from a storytelling perspective that Ultron is somehow birthed from Jarvis.
Not saying that is how it's going to go down, but alas ......