In the pages of Marvel Comics, hundreds of variant universes have been introduced, and many have been revisited multiple times.
The Disney+ series' Loki and What If? revealing dozens of variant versions of classic Marvel characters including Spider-Man, Captain America, and more.
In the pages of Marvel Comics, hundreds of variant universes exist, and many have been revisited multiple times, with some becoming almost as iconic as the "Prime" universe of Earth-616.
Each of these alternate worlds is inhabited by its own sets of characters, showcasing some pretty unexpected takes on many classic Marvel heroes.
The upcoming Avengers: Secret Wars likely adapts the multiverse-shattering 2015 comic book event for the MCU and in doing so, will bring countless Marvel variants into live-action.
The comic book storyline smashed together variants from across the multiverse into Battleworld, playing infinite versions of Thor off each other in the Thor Corps.
The Maker, a Reed Richards variant from Earth-1610, likely appears as well given his prominence in the story.
With MCU Phases 4-6 comprising The Multiverse Saga, the comics' best alternate takes on major heroes likely make their way into the franchise.