As such, it seems like picking a number would be easy enough for the MCU.

Now, an official answer is finally at hand - though it may cause more confusion than it removes.

Universe Where Peggy Carter Takes The Super Soldier Serum

Earth-21818

What If…?

Custom image of Captain America and Rhodey from the MCU and Venom in The Last Dance

Universe Where T’Challa Is Abducted By Yondu Instead Of Peter Quill

Earth-51825

What If…?

Universe Where Hank Pym Assassinates The Avengers

Earth-91233

What If…?

Universe Where Doctor Strange Becomes Corrupted

Earth-89521

What If…?

Captain America from Avengers: Endgame, Scarlet Witch from WandaVision’s Halloween episode, and Hugh Jackman’s Wolverine from Deadpool & Wolverine

Universe Where A Zombie Outbreak Takes Place

Earth-32938

What If…?

Universe Where Killmonger Rescues Tony Stark

Earth-72124

What If…?

Universe Where Odin Gives Loki To The Frost Giants

Earth-29929

What If…?

Imagery from Logan & Shang-Chi

First, way back in the MCU Phase 1, Erik Selvig dropped the first Earth-616 tease.

This claim seems harder to argue with, but even it leaves holes.

TitledOfficial Handbook of the Marvel Universe A to Z: Vol.

Iron Man and Spider-Man in front of the MCU Sacred Timeline

Regardless of the reasoning, the debate over Earth-616 or Earth-199999 for theMCUis finally over.

The franchise quickly grew in popularity, with Disney eventually buying out Marvel Entertainment in 2009.

Upcoming MCU Movies

Iron Man, Captain America, and Nick Fury in the MCU

Erik Selvig in front of  a chalkboard in Thor

Spider-Man 2099 Miguel O’Hara Looking in Spider-Man Across the Spider-Verse

MCU Franchise Poster

The Marvel Cinematic Universe is a multimedia superhero franchise that began in 2008 with Paramount’s Iron Man starring Robert Downey Jr. The franchise quickly grew in popularity, with Disney eventually buying out Marvel Entertainment in 2009. The MCU consists of dozens of movies and TV shows, most notably Avengers: Endgame, WandaVision, and Loki.

Movies

Marvel Cinematic Universe