system
Given the following post, respond as if you're commenting on Reddit:
human
[Marvel Comics] What happens to the machine characters like Ultron in the Earth-2149?

Earth-2149 is the world that has Marvel Zombies in case you don't know.

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I meant what happened to characters like Ultron.
gpt
We can extrapolate based on the Age of Ultron vs Marvel Zombies crossover that Ultron himself is immune. Sticking with his place as a villain, he continues his original intent and attempts to take over the world, using a method to control them.

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Machine Man is also 100% machine and is one of the known survivors in the Marvel Universe, being immune to the infection. He becomes a zombie hunter and zombie killer.