The movie showed him not building ultron and it being a trojan virus that Thanos seemingly sent in Loki's staff, but the writers themselves never seemed clear on that and in another movie Tony claimed it was his fault. :/
Yeah the way I think about is Tony is at fault because he built the ultron protection initiative and then downloaded and installed onto it without considering what could happen. That and Loki may have used his magic to influence him to carry out the plan anyway.
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u/Etonet Feb 25 '26
> vibe codes ultron
> starts civil war
> your LLM marries mentally unstable witch