Peter Parker (Earth-199999), Marvel Database

Born on August 10th in 2001, Peter Parker was orphaned by his parents at a young age and went on to live in Queens with his aunt May and uncle Ben, the latter of whom than died at some point. After being bitten by a radioactive spider, Peter Parker developed superhuman abilities, which granted him the proportionate strength and speed of a spider, as well as an uncanny ability to adhere to walls. Resolving to use his abilities to help those in need, he developed his own web fluid and web-shooters

Peter Parker (Earth-199999)/Gallery, Marvel Database

Peter Parker (Earth-199999), Wiki

Thor Odinson (Earth-199999), Marvel Database

Spider-Man: Across the Spider-Verse confirms the MCU is Earth-199999 - Polygon

Aaron Davis (Earth-199999), Marvel Database

T'Challa (Earth-199999), Marvel Database, Fandom

The MCU IS Earth 616 & Earth-99999 at the Same Time

Henry Pym (Earth-199999), Marvel Database

Doctor Strange and the little nerd back on EARTH-199999 AKA Earth-616 ( Made a little edit ) : r/marvelstudios

Peter Parker (Earth-96283), Marvel Database

Peter Parker (Earth-199999), Marvel Database