|Origin||Avengers #54 (July, 1968)|
|Family||Hank Pym (Creator), Tony Stark ("Uncle")|
|English Voice||James Spader|
- Ultron is similar to Sigma, that they are robotic supervillains who despise humans and have spare bodies for their minds to inhabit if their current ones are destroyed.
- Ultron addressing Iron Man as his "uncle" is a reference to Iron Man creating Ultron in "Avengers: Age of Ultron", rather than Ant Man as in the comics.
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