Quote1.png All biological life must be exterminated, the soul's fire extinguished. Quote2.png
-- Ultron src


Ultron's early history is unknown, though it is presumably similar to the Ultron of Earth-616.

At one point Ultron met Sigma, and they joined forces to destroy all life forms, using the Infinity Stones to merge into one powerful being known as "Ultron Sigma".[1]


Seemingly those of the Ultron of Earth-616.

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