Ultron (MM)

Ultron

Pre-MM
Ultron of Earth-18039 had a history similar to that of his Earth-616 counterpart until the Infinity War saga. During the Infinity War saga, Ultron managed to aquire the Infinity Stones, erasing all organic life. In short, he’d won. He “perfected” this universe, until he was taken from it during the Multiverse Collision, the cause of the Multiverse Merged.

Timeline One
Ultron didn’t truly appear in anything until he began looking for a way to travel back in time and make his progress of taking over and perfecting the world easier. However, his time machine was faulty, and instead of transporting him back in time, he inadvertently reset the entire timeline.

Timeline Two
Ultron retained no memories of the past timeline, but he did find and collect the Infinity Stones, only missing the space stone. In this timeline, Ultron actually managed to kill a good amount of the population before he was tag teamed by the Crystal Gems, and a version of MCU Tony Stark and Peter Parker. Ultron killed Tony Stark using the time stone, This would lead to this version of Peter Parker going insane. Steven Universe managed to somehow convince Ultron to turn to the side of good, causing the Genocidal Robot to turn over a new leaf.

Ultimatum
Onslaught killed 6.8 Billion people on Earth, promptly causing the entirety of the Earth to collapse into Chaos. As Spider-Man of Earth 1610 led a crew of survivors in the Dreadnaught, a super sized ship having the bigger-on-the-inside capabilities of the TARDIS, Ultron stayed behind. Researching ways to restore the Earth, the Infinity Stones having been scattered in a previous event, he eventually begins containing anomalies that appear. As Spider-Man and his crew returned, he watched as they established New York as the last, and first, city on Earth. He was there when the entire Earth was taken over again.

He watched everything be erased, and restarted.

The Third Timeline
Ultron was returned to his original personality in this timeline. However, instead of striking immediately, this Ultron played the long game. Upgrading himself to incorporate nanotechnology, Ultron's body became even harder to destroy. Along with this, began his hunt for the Multiversal Infinity stones.

Hydra Coup.
During the Hydra Coup, Ultra was busy gathering the infinity stones. Already having Reality and Time, Ultron set out for the Soul Stone.

Ultron OMEGA
Ultron had acquired the soul stone by absorbing Darkseid into it, acquiring not only the soul stone's capabilities but Darkseid's as well. Ultron proceeded to return to Earth, his rampage for the Space stone beginning. Along the way, he acquired the Mind stone, even though he never utilized it.

Destruction of China
Ultron Omega truly let the world know of his presence when he arrived at China. Encountering the Legendary Super Saiyan, Broly, Ultron fought the saiyan and beat him into submission. Ultron then flew away. Later, Ultron would arrive at China again, battling a group of Saiyans and a Super Saiyan Blue Goku. Destroying China, Ultron came out victorious.

The Battle of Hell
Ultron, on the verge of destroying the Multiverse and creating and perfecting it in his own image, arrived to Hell. Here, he would fight Lucifer, Infarus, Archangel Michael, Goku, Mureek, and Rainbow Cruz. While his primary unit was focused on this battle, millions of other Ultrons were fighting in the rest of hell, battling against the Multiverse's forces. The fight was intense, and ultimately cost Lucifer his soul when he sacrificed himself to do the one thing Ultron never expected; To give him a soul.