Parker is from Earth-616. Peter B. Parker hails from Earth-616. This is often referred to as the main universe or the prime universe in Marvel continuity.
So, there you have it, the MCU is officially Earth-616. You can pick holes in the decision, but it's what Marvel Studios has gone for and will likely stick until this franchise is rebooted post-Avengers: Secret Wars.
While it has been confirmed to be a possible future version of Earth-616, the mainstream Marvel Universe, the 2099 universe has been officially designated as Earth-928 and alternatively dubbed as Earth-616 circa 2099, or simply Earth-2099.
Peter Parker, the Amazing Spider-Man, is the mainstream and original Earth-616 incarnation of the character and appears in almost every piece of Spider-Man related media.
MCU Multiverse War: 616 or 199999? Full History Explained
What is Earth 313?
Earth-313 is the home of the Lemurians. It was nearly destroyed by nuclear bomb to save Araknoids. Albion, Gawain, and Breeze James traveled there to help rebuild it.
His true identity is Miguel O'Hara, an Irish-Mexican geneticist living in Nueva York (a renamed New York City) in the year 2099 who attempts to re-create the abilities of the original Spider-Man in other people and later suffers a related accident that causes half of his DNA to be rewritten with a spider's genetic code ...
Earth-199999 is a universe within the Multiverse. In this universe, Peter Parker, alias Spider-Man had broken the fabric of reality by tampering with a mind-sweeping spell of Doctor Strange's. He had it fixed by the universe forgetting Parker's identity.
Spider-Man 2099 writer Peter David named Miguel O'Hara after Miguel Ferrer. While Miguel was trapped in Earth-616, his apartment number was 2099. Miguel is atheist; however, he has noted he often calls on him, and one time stated this was due to old habits.
Previous references and Easter eggs hinted at the MCU being Earth-616, including a mention by Mysterio in Spider-Man: Far From Home. The MCU was initially labeled as Earth-199999 in the Official Handbook of the Marvel Universe A to Z, but the recent timeline confirms Earth-616 as the official designation.
Maguire reprised his role as Peter Parker / Spider-Man in the Marvel Cinematic Universe film Spider-Man: No Way Home (2021), alongside successors Tom Holland and Andrew Garfield.
DC already had Earth One(sometimes called Earth Zero or Earth Prime.) 616 was chosen due to the difference between 616 and One, meaning that Marvel could had used any number and it wouldn't had mattered. Afterall, the ultimate universe is called 1610 while the MCU is known as 199999.
To clarify, Earth-67's Spider-Man is NOT the same Spider-Man from the 1960s Spider-Man cartoon. That would be Earth-6799's Spider-Man. Earth-67 is a reality that shares a LOT of similarities with Earth-6799 (and also Earth-3015, for that matter) but Earth-67 and Earth-6799 are two different realities.
Earth-199999, known in-universe as Earth-616, is the designated universe number for the Marvel Cinematic Universe, a shared fictional universe which crosses over superhero films and television produced by Marvel Studios.
Spider-Man 2099′s real identity is Miguel O'Hara, a young man who lives in Nueva York (the future name of New York). His mother, Conchata, is Mexican, and his father, George O'Hara, is Irish.
Although Morales is the first black Spider-Man, he marks the second time a Latino character has taken the Spider-Man identity. Miguel O'Hara, who is of Mexican and Irish descent, was the title character in the 1990s series Spider-Man 2099.
As a Latino literature and media scholar, a lifelong gamer and a Guatemalan-American girl whose dad read her comics every night, I quickly became a fan and then scholar of Miles Morales, the Afro-Puerto Rican Spider-Man who first appeared in comic book form in 2011's “Ultimate Fallout #4.”
The Superior Spider-Man; an anti-heroic version of the Web-Slinger. While the original Spider-Man is the benevolent protector of New York City, several villains have taken on the mantle before.
In the Ultimate Marvel universe Aunt May is based on writer Brian Michael Bendis' mother. This version of the character is a strong and independent woman in her late forties or early fifties, significantly younger than her original Marvel Universe counterpart.
Mysterio, being a (highly talented, but still Earthly) Stark employee, probably knows nothing about the multiverse. So, he made up the numbers 616 and 833. It just so happens that the mainstream Marvel comics take place on Earth-616, and 833 was a significant alternative Earth.
Basically, 616 means "main universe" in the medium you're watching while 199999 means "reference to character from the MCU." Neither of these is actually the comics or the movies, it's just a way to convince people which kind of Spider-Man they're getting.
History. Earth-1218 is the designation given to our reality, where super-heroes and other super-powered beings don't physically exist. This universe may appear somewhat dull from a cerebral perspective, but it does have its good sides, for those willing to recognize them.
Earth-838 is a reality alternate to Earth-199999. On Earth-838, the existence of Inhumans such as Black Bolt and the Terrigen Mist has been known for sometime, though for how long and in what capacity Inhumans have contributed to this Earth's history is unknown.
