803 (Earth-616) VS Aaron Stack (Earth-TRN813)

803 was a robot in the service of a pirate named Kio for centuries. He hated his predicament, but his programming didn't allow him to self-destruct. When Venom infiltrated Kio's ship to recover a shipment of a substance known as "YT-19," which was the name of the blood of a species from the planet Vvex, he engaged 803, initially thinking of him as an enemy. The robot agreed to help Venom in his mission as long as he promised to kill him afterwards. Once Kio was dealt with, Venom welcomed 803 to stay with him.[1] Following many adventures, 803 and Venom parted ways when the latter decided to return to his homeplanet, Earth. 803 and other allies of Venom joined the ranks of the Space Knights. Computer Brain: Due to his robotic mind, 803 carries a vast amount of knowledge. It can speak three million languages, and it's fluent in two hundred seventeen forms of torture.

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When Iron Man and his allies, including Machine Man, followed Arno Stark to the Stark Space Station to stop his plan to mentally control all of humanity, the Extinction Entity arrived. Now convinced that Arno was right, Tony and his allies were rallied by him to fight the attacking monster. They were joined by Earth's heroes, and the Extinction Entity was ultimately defeated when Arno willingly assimilated with it, causing it to explode due to his paradoxical nature as a human who was more of an A.I. at heart. Arno survived, and was hailed as a hero. The scenario that took place in this reality manifested on Earth-616 in the form of a virtual dream within the eScape that Arno Stark was submerged into by Tony Stark when he encased Arno in his Virtual Armor in order to stop his plan to take control of humankind to combat the non-existent Extinction Entity which was a delusion caused by his relapsing illness.

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