And just what is happening in Jonathan Hickman’s all-new Ultimate Universe?

Source: https://insidepulse.com/2023/07/09/marvel-comics-unveils-san-diego-comic-2023-sdcc-2023-schedule/

Earth-1610 is Marvel's Ultimate Universe, which was created in 2000 to act as a way to attract new readers to Marvel Comics.

Source: https://www.cbr.com/captain-america-marvel-comics-powers-explained/

For instance, Miles Morales isn't the only Spider-Man to ever be a part of Marvel's alternate Ultimate Universe.

Source: https://www.cbr.com/ghost-rider-robbie-reyes-all-new-all-different-best-marvel/

Marvel's mainstream Vision may be powerful, but in the Ultimate Universe, she was the masterwork of an entire advanced civilization, updated and improved on the thousands of planets she subsequently visited.

Source: https://screenrant.com/most-powerful-avengers-ultimate-universe-iron-man/

Reed Richards from the Ultimate Universe started out a lot like his Earth 616 counterpart.

Source: https://www.cbr.com/ultimate-marvel-the-maker-secret-wars/

Thankfully, the events of transport Miles to Earth-616, making him one of the few survivors of the Ultimate Universe.

Source: https://www.cbr.com/spiderman-alternate-universe-team-up/

The Ultimate Universe changed many classic Marvel concepts in its attempts to modernize them for a new audience.

Source: https://www.cbr.com/kang-sue-storm-fantastic-four-ultimate-universe-marvel/