| "Ultron" may be referring to two or more different villains. If you're uncertain which one you're looking for, just flip a coin.|
If you came here from a link, please go back and make the right link for one of the villains listed below.
- Ultron (Marvel)
- Ultron (Avengers: Earth's Mightiest Heroes)
- Ultron (Next Avengers: Heroes of Tomorrow)
- Ultron (2010 Marvel Animated Universe)
- Ultron (Marvel Cinematic Universe)
- Ultron Sentinels
- Ultron Sigma
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