Earth-4577 is very similar to Earth-616 aside from several differences including:
- The Avengers roster includes: Captain America (Steve Rogers), Iron Man (Tony Stark), Ant-Man (Hank Pym), Wasp (Janet van Dyne), Thor (Odinson), Hulk (Bruce Banner), and Hawkeye.
- The X-Men roster includes: Wolverine, Professor X, Cyclops, Storm, Colossus, Jean Grey, Iceman, Beast, and Psylocke.
- The Fantastic Four roster includes: Mr. Fantastic, Invisible Woman, Human Torch (Johnny Storm), and the Thing. (unchanged)
- The Brotherhood of Evil Mutants roster includes: Magneto, Mystique, Toad, Pyro, and Multiple Man.
- The Hydra leading structure is made up of: Red Skull (leader), Baron von Strucker (second-in-command), Arnim Zola (chief scientist), Madame Viper, and Baron Heinrich Zemo.
- The Sinister Seven roster includes: Doctor Octopus (Otto Octavious), Mysterio, Vulture, Kraven the Hunter (Sergei Kravinoff), Electro, Sandman, and Rhino.
- The Masters of Evil roster includes: Doctor Doom, Kang the Conqueror, Green Goblin (occasionally), Loki, and the Mandarin.
Differences in Canon
- Every hero and villain's mainstream identity is their only one (ex. Steve Rogers is the only Captain America, aside from his late Revolutionary War ancestor).
- The events of Clone Saga never occurred and any clones resulting from it never existed.
- The events of One More Day never occurred, meaning that Peter Parker and Mary Jane Watson are still married.
- During the events of Days of Future Past, Wolverine was sent back in time, not Kitty Pryde.
- Wolverine's "death" never occurred and he still has his healing factor.
- Electro and M.O.D.O.K. still have their powers.
- The Watcher is still alive.
- Franklin Richards never existed.
- Galactus still has his hunger.
- S.H.I.E.L.D. is not Hydra/infested with Hydra moles.
- Ultron and Hank Pym are not fused together/a cyborg.
- The Howling Commandos were lead by Captain America, not Nick Fury. Bucky Barnes was also a member.
- Daredevil is more light-hearted.
- Peter Parker is still a reporter at The Daily Bugle.
- Dr. Donald Blake is not Thor's other identity.
- Hank Pym was never Wasp (meaning Wasp's death never occurred) and is only known as Giant Man when in giant form. There isn't a Giant Man costume.
- Jacques Duquesne is still alive. He was never Swordsman. Rather, he is the assassin Swordsmaster, frequently working for Hydra.
- The Winter Soldier worked for Hydra, not the KGB Underground, with Vasili Carpov being the Hydra officer in charge of the project. Not too long after Captain America found out who he was, he sacrificed himself to save Rogers from Crossbones during Hydra's takeover of S.H.I.E.L.D.'s Project Insight (which is the same as in Captain America: The Winter Soldier), leading to Insight's destruction and Carpov's death.
- Nick Fury was a hero during World War II. His adoptive son, Nick Fury Jr. (the Samuel L. Jackson version), is the current director of S.H.I.E.L.D. The whereabouts of his father, who took the aging-stopping Infinity Formula, are unknown.
- Fury Jr. lost his eye the same way his Ultimate version did, it was cut out by Wolverine. In this case, it was while S.H.I.E.L.D. was trying to capture Logan, who was a known criminal at the time.
- Characters from Earth-4577
- Other things related to Earth-4577
- Earth-4577's Appearances
- Images from Earth-4577
- Reality Gallery: Earth-4577
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