Ultron Sigma
Ultron Sigma
Name Ultron Sigma
Gender None
Weapon/Power Super strength
Energy Blasts
Transfer consciousness to backup bodies and locations
Turning other Reploids into Mavericks
Sigma Virus/Maverick Virus
Combat proficiency
High intelligence
Affiliation Neutral-Evil
First Appearance Marvel vs. Capcom: Infinite (2017)
Voiced By

Jim Meskimen

N/A (Capcom)


Marvel & Capcom

Ultron Sigma is the upcoming primary antagonist for Marvel vs. Capcom: Infinite. It is a fusion between Ultron and Sigma.

Powers and AbilitiesEdit

After a fusion between Ultron and Sigma, and the Infinity Stones (the Reality and Space Stones) they held, Ultron Sigma obtained both of their powers.


  • Ultron Sigma is the second original antagonist for the Marvel vs. Capcom series, behind Abyss, but it is the first fusion of playable characters in the series.
  • This isn't the first time Ultron has fused with another character; For example, recently, in the comics, Ultron has fused with his creator Hank Pym.
  • Ultron Sigma can be considered to be a counterpart to Dark Kahn from Mortal Kombat vs. DC Universe, a fusion of two supervillains from two alternate universes and two different companies. (Note: Midway Games, the original developer for the Mortal Kombat series of games, was bought out by Warner Bros., which also owns DC Comics, and was rebranded as NetherRealm Studios.)
  • His leitmotif incorporates elements from Sigma's battle theme from Megaman X2/X6 as well as the following tracks, Heroes/Avengers Unite from Age of Ultron's original soundtrack

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