Originally Posted by chaseter
I don't think Thanos will have any part in Ultron's sentience. I think it will all be JARVIS. We know Stark is the creator of Ultron and we know that JARVIS is beginning to act buggy (it was a deleted scene in IM3). I think JARVIS will go haywire and that will give rise to Ultron. JARVIS will then be reigned back but it will be too late as Ultron now has sentience. I doubt we see Thanos at all in AOU unless they show an after movie clip of him acquiring more stones. I do hope we see Vision in here though.
I hope this isn't the case but I'm starting to think it is. I want Thanos involved.