Matches Thor in physical strength before blinding him.In Age of Ultron - Ultron is able to overwhelm and kill: Human Torch, Reed Richards, The Thing, Captain Britains, Luke Cage, Captain Marvel, She-Hulk Red Hulk, Storm, Iron Man and Captain America.
In one possible future depicted in the Age of Ultron crossover event, he successfully took over the world, forcing the surviving superheroes into hiding and unable to muster any successful counterattack.Once managed to hack into Iron Man’s suit by abusing his connection to the Extremis Virus and possess him to create Ultron-19.Powers and Equipment Ultron Ultron Body Specifications - Overview The new madman infected more and more Reploids with his virus, convincing them to help him conquer humanity and usher in a new era of Mavericks and starting his long and bloody war against X, Zero and the Maverick Hunters. While Zero was returned to the Maverick Hunter HQ and cured of the virus, the Sigma had been infected with it, slowly descending further and further into madness as the virus reshaped itself in the commander’s image, becoming the Maverick Virus. The confrontation between the two beasts of machines had occurred near the capsule Zero had been contained in for the past century, which also happened to contain the Zero Virus that had turned the red robot into a psychopath, which was now pouring out into surrounding area. Little did he know at that time though, despite winning the battle, he was about to start the war. Sigma duked it out with the bloodlusted Maverick and ultimately won the day, though he was severely damaged in the process, losing an arm and everything.