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The original production series of what could've been in The Avengers: Earth's Mightiest Heroes.




Season 1 (2010-2011) - Origins

  1. Iron Man Is Born: Iron Man learns that S.H.I.E.L.D. is taking controls of his suits.
  2. Thor The Mighty: Thor must defeat Loki and the Frost Giants.
  3. Hulk Vs. The World: Hulk tries not to get captured while Hawkeye is betrayed by Black Widow.
  4. Meet Captain America: Captain America and Bucky have to deal with HYDRA.
  5. The Man In The Ant Hill: Ant-Man and Wasp take down Klaw and Whirlwind.
  6. Breakout Pt. 1: A mass breakout occurs at each for the four supervillain prisons.
  7. Breakout Pt. 2: Ant-Man/Giant-Man, Hulk, Iron Man, Thor, and Wasp band together to battle Graviton after he escapes from the Raft and targets Nick Fury.
  8. Some Assembly Required: Hulk is magically manipulated by the Enchantress to attack his teammates.
  9. Living Legend: After Captain America's frozen body is discovered in the Arctic, Arnim Zola unleashes Doughboy on New York City to distract the Avengers while Baron Zemo battles Captain America.
  10. Everything Is Wonderful: Enraged by Tony Stark buying out his company, Simon Williams becomes a deadly being of ionic energy, Wonder Man, in order to exact revenge. Meanwhile, Wasp and Thor chase a group of A.I.M. agents to find their secret hideout and run into another villain, MODOK.
  11. Panther's Quest: T'Challa, the new Black Panther, meets the Avengers and tells them that his country has been overthrow by Man-Ape. As the Avengers arrive in Wakanda, not only do they have to help T'Challa reclaim his family's throne and country, but they also have to deal with Klaw, the Grim Reaper, and HYDRA.
  12. Gamma World Pt. 1: The Leader has placed an expanding dome of pure gamma radiation around the Cube, with anyone caught inside it being mutated into a Gamma Monster.
  13. Gamma World Pt. 2: With the Avengers turned into Gamma Monsters, Hawkeye must convince the Hulk to help fight the Leader and the Abomination while Thor (who was unaffected by the Gamma Dome) fights the Absorbing Man.
  14. Masters Of Evil: With Wonder Man, Enchantress, Executioner, Crimson Dynamo, and Abomination on his side, Baron Heinrich Zemo leads them as the Masters of Evil in a systematic takedown of the Avengers.
  15. 459
  16. Widow's Sting
  17. The Man Who Stole Tomorrow
  18. Come The Conqueror
  19. The Kang Dynasty
  20. The Casket Of Ancient Winters
  21. Hail, HYDRA!
  22. Ultron-5
  23. The Ultron Imperative
  24. This Hostage Earth
  25. The Fall Of Asgard
  26. A Day Unlike Any Other

Season 2 (2012-2013) - Cosmic

  1. The Private War Of Dr. Doom
  2. Alone Against A.I.M.
  3. Acts Of Vengeance
  4. Welcome To The Kree Empire
  5. To Steal An Ant-Man
  6. Michael Korvac
  7. Who Do You Trust?
  8. The Ballad Of Beta Ray Bill
  9. Nightmare In Red
  10. Prisoner Of War
  11. Infiltration
  12. Secret Invasion
  13. Along Came A Spider...: Captain America teams up with the equally mistrusted Spider-Man to fight the Serpent Society when they try to rescue Viper and King Cobra from S.H.I.E.L.D. custody.
  14. Behold...The Vision!
  15. Powerless
  16. Assault On 42
  17. Ultron Unlimited
  18. Yellowjacket
  19. Emperor Stark
  20. Code Red
  21. Winter Soldier
  22. The Deadliest Man Alive
  23. New Avengers
  24. Operation Galactic Storm
  25. Live Kree Or Die
  26. Avengers Assemble

Season 3 - Magic  

Primary Author: SuperDomenic31
Episode Title: Plot: Villain(s): Additional Writer(s):
Armor Wars
Sorcerer Supreme Billy2009
Struck by Thunder SHIELD agent Eric Masterson discovers he is worthy of Mjolnir, so he uses his new godly powers to become Thunderstrike and rescue Thor from an evil alien with an axe to grind. Mercurio the 4-D Man ElectricMayhem
Hidden Agenda
Beware the Witch!
Superhuman Registration Act
Blood on the Moors
the Sensational She-Hulk Billy2009, Uncanny X-Factor
Awakening of the Demon
Whose Side Are You On?
Civil War Billy2009
Thunderbolts As new government-sponsored heroes appear following the Civil War, the Avengers become suspicious. To this end, they send She-Hulk to do some digging. Thunderbolts (Atlas, Citizen V, Mach I, Moonstone, Songbird, Techno) Uncanny X-Factor
The Death of Captain America After Iron Man won the Civil War, the Avengers mourn for Captain America and meanwhile, must fight the mighty Dr. Doom. Doctor Doom ShadEmmanZ-K9
Spirit Of Vengeance As the Avengers recover from the death of Steve Rogers, Mephisto is secretly working with Dr. Doom as they are in pursuit for the Cosmic Cube. Ghost Rider enlists the help of the Avengers to defeat the two villains before they seize the Cosmic Cube. Mephisto, Doctor Doom Billy2009
Whom the Gods Would Destroy!
Enter the Dark Dimension
Trial by Fire The Avengers are put into a trial by fire by the Lethal Legion as they are in possession of Steve Rogers' body. Can the Avengers save the body of Steve Rogers before it decomposes? Lethal Legion (Grim Reaper, Black Talon, Tiger Shark, Wonder Man, Thundra, Sabretooth)
Westward Expansion As the Avengers split into two teams to save Steve Rogers from the Lethal Legion, the second team decides to stay separate on the West Coast. Lethal Legion Billy2009, Uncanny X-Factor
Children of the Atom
The Devil, You Say...
All Along the Watchtower
The Witch of Wundagore Mountain
Twilight of the Gods - Part 1
Twilight of the Gods - Part 2

Season 4 - Mystery

Primary Author: ElectricMayhem
Episode Title: Plot: Villain(s): Head Writer(s):
Shadowland, Pt. 1 When the Hand, an evil ninja clan, attack New York City, the Avengers must team up with mysterious vigilante Daredevil to get to the bottom of things. The Hand, Gorgon
Shadowland, Pt. 2 Daredevil's old love Elektra returns to confront the Hand, but mob boss Kingpin and his assassin Bullseye interrupt things. Kingpin, Bullseye, The Hand, Gorgon
War of the Lava Men Enchantress summons an army of Lava Men from deep within the Earth's core to destroy the Avengers so they will not interrupt Surtur's plans. When this fails, Surtur demands that she engage the Avengers herself. Enchantress, Lava Men, Surtur
The Heist The Sinister Six are hired by a mysterious crime lord to infiltrate Avengers Mansion and steal all their computer files so the crime lord will have all the information he needs. Sinister Six (Doctor Octopus, Vulture, Electro, Kraven the Hunter, Sandman, and Mysterio)
Talk to the Hand Captain America, Daredevil, and Wolverine go undercover to infiltrate the Hand's base, and discover that they have captured Elektra and threaten to kill her unless she reveals the location of a special artifact. The Hand, Gorgon
Quest of the White Tiger Gorgon, a Hand ninja, targets FBI agent Angela Del Toro when she finds the Jade Tiger amulets, which the Hand is looking for. The Avengers intervene, but the amulets give Angela enhanced fighting skills, which she uses to become the hero White Tiger. The Hand, Gorgon
Avengers Academy Hank Pym decides to open an Avengers Academy to train super-powered teens so they can replace the Avengers one day if anything ever happens to the team. He recruits Reptil, Finesse, Hazmat, Mettle, Striker, and Veil to join the academy, and their first mission comes unexpectedly soon when the Absorbing Man and Titania. Absorbing Man, Titania
Return of Wonder Man Wonder Man is back, with a new look, and he wants a place on the Avengers. When Wonder Man's brother, the evil Grim Reaper, escapes imprisonment and attacks the Avengers, he must prove himself to the team by saving them all. Grim Reaper
The Man Called Cage! Luke Cage, hero for hire, falls in love with super-powered private investigator Jessica Jones, and the two must help the Avengers fight off the Enforcers, who were sent by the same mysterious crime lord who hired the Sinister Six. The Enforcers (Ox, Fancy Dan, and Montana)
Utopia Cyclops of the X-Men begins his own mutant nation, Utopia, but SHIELD discovers that they are harboring several mutant fugitives, and they arrive at Utopia to tell Cyclops to hand over the fugitives, causing a fight between SHIELD and the Utopian mutants. Cyclops, Utopians
Avengers Vs. X-Men The Avengers try to break up the SHIELD-Utopia battle, but things escalate quickly and the Avengers find themselves at war with the X-Men. Cyclops, X-Men (Jean Grey, Namor, Magneto, Rogue, Archangel, Colossus, Emma Frost, Magik, Pixie, Karma, Shadowcat, Scarlet Witch, Quicksilver, Quentin Quire, Doop, Havok, Gambit, Polaris, Magma, X-23, Stepford Cuckoos)
Maggia Madness Count Nefaria, the crime lord who has been trying to take down the Avengers, acquires Stark tech and equips his Maggia henchmen with their own Iron Man armors. Meanwhile, after the Avengers and X-Men dispute ends, Beast, Scarlet Witch, and Quicksilver join the Avengers so the team can have some mutant members. Count Nefaria, Maggia
Strange Magic Surtur and his fire demon army attack Midgard, and the Avengers turn to Doctor Strange for help defending against the dark magic attack. Surtur, Fire Demons
Welcome to Attilan Hank, Wasp, Hawkeye, Wonder Man, Vision, and Scarlet Witch take the Quinjet out for a vacation in the tropics, but they fly over the hidden city Attilan and get shot down, being held prisoner by the mysterious Inhumans. Inhumans (Black Bolt, Medusa, Maximus, Triton, Gorgon, Karnak, Crystal, Lockjaw)
Revenge of the Hand The Hand make a deal with Kingpin, and they plan to take down the Avengers. Bullseye and Gorgon, the Hand and Kingpin's two go-to assassins, attack Avengers Mansion and kidnap Ms. Marvel, using her as bait to lure in the other Avengers. The Hand, Gorgon, Kingpin, Bullseye
Fall of the Hand Ms. Marvel takes on the Hand ninjas, as the Avengers battle Kingpin and his goons at Fisk Enterprises. Meanwhile, Daredevil and White Tiger take on Bullseye. The Hand, Kingpin, Bullseye
Stranger Danger Doctor Strange turns to the Avengers for help when evil demon awakens from his ancient slumber and wages war on the humans. Shuma-Gorath
Young Heroes Unite! The Young Masters (the children of infamous super-villains) begin a huge crime spree, and the Avengers Academy students must team up with more teenage superheroes (Squirrel Girl, Gravity, Slapstick, Firestar, Night Thrasher, X-23, Toro, Spider-Girl) to stop them. Young Masters (Superior, Aftershock, Ember, Mortar, Singularity, Warhead)
New Avengers Return A mysterious green gas makes everyone who inhales it hate each other, including the Avengers. With the Avengers fighting each other, it's up to Spider-Man, War Machine, Wolverine, Iron Fist, Luke Cage, Jessica Jones, Squirrel Girl, and The Thing to find out who is behind it all. Hate-Monger
Captain Marvel Ms. Marvel leaves the Avengers to go solo, becoming Captain Marvel. Meanwhile, young girl Kamala Khan is given powers when she comes across the Terrigen Crystals, which give the Inhumans their powers. Kamala becomes the new Ms. Marvel, and helps Captain Marvel defeat the crazy Inhuman known as Maximus, who wants to destroy humanity. Maximus the Mad
the New Warriors The recently formed New Warriors (Ms. Marvel, Firestar, Squirrel Girl, Gravity, Night Thrasher, Spider-Girl, and Nova) must come to the Avengers for help when their recurring foes prove to be too dangerous and powerful for them to handle alone. Psionex Uncanny X-Factor
the Illuminati SuperDomenic31
Operation: Reciprocity With the aid of Kristoff Vernard and the mysterious vigilante Dreadknight, and a plan secretly formulated by the Illuminati, the Avengers and Fantastic Four team up to de-throne Doom once and for all...but unforeseen complications arise in the now-freed Latveria. Doctor Doom, Frightful Four (Kristoff Vernard, Dreadknight, Invincible Woman, Orb) CrimsonShogun, Uncanny X-Factor

Season 5 - The Infinity Gauntlet

  1. The Saga Of Crystar
  2. The Spaceknights
  3. Secret Avengers
  4. The Wedding
  5. Ultron's Revenge - Part 1
  6. Ultron's Revenge - Part 2
  7. The Trial Of Hank Pym
  8. Omega The Unknown
  9. Deathlok
  10. Along Come A Spider-Woman
  11. The Circus Is In Town
  12. Future Imperfect - Part 1
  13. Future Imperfect - Part 2
  14. Thanos Strikes!
  15. The Enemy Of My Enemy
  16. Dr. Doom's Labyrinth Of Doom!
  17. The Revenge Of The Masters of Evil! - Part 1
  18. The Revenge Of The Masters of Evil! - Part 2
  19. Infinity Stone Hunt - Part 1
  20. Infinity Stone Hunt - Part 2

Characters (Season 3 - Onwards)


  • Tony Stark / Iron Man
  • Steven Rogers / Captain America
  • Thor Odinson
  • Janet Van Dyne / Wasp
  • Bruce Banner / Hulk
  • T'Challa / Black Panther
  • Carol Danvers / Ms. Marvel
  • Wanda Maximoff / Scarlet Witch
  • Pietro Maximoff / Quicksilver

New Avengers

  • Peter Parker / Spider Man
  • Luke Cage
  • Ben Grimm / Thing
  • Danny Rand / Iron Fist
  • Logan / Wolverine
  • Jessica Drew / Spider Woman

Avengers West Coast

  • Clint Barton / Hawkeye
  • Bobbi Morse / Mockingbird
  • James Rhodes / War Machine
  • Simon Williams / Wonder Man
  • Greer Grant / Tigra
  • Miguel Santos / Living Lightning
  • Scott Lang / Ant-Man

Secret Avengers

  • Steve Rogers
  • Winter Soldier
  • Beast
  • Black Widow
  • Valkyrie
  • Agent Venom
  • Moon Knight
  • Machine Man

Young Avengers



Fantastic Four

  • Reed Richards/Mr Fantastic

Heroes for Hire


Guardians of the Galaxy

  • Peter Quill/Star-Lord
  • Gamora
  • Groot
  • Rocket Raccoon
  • Drax the Destroyer

Other Heroes



  • Johann Schmidt / Red Skull
  • Viper / Madame Hydra
  • Baron Von Strucker
  • Baron Zemo


  • Scientist Supreme

Masters of Evil

Lethal Legion

Sinister Six

Brotherhood of Evil Mutants

Other Villains

Voice Cast

In the first two seasons, the cast remained the same but the 3rd to the 5th and final seasons however, some of the cast members for the cast are different.

  • Robert Downey Jr: Tony Stark/Iron Man
  • Brian Bloom: Steve Rogers/Captain America
  • Travis Willingham: Thor Odinson
  • Troy Baker: Loki Laufreyson
  • Vanessa Marshall:
  • Keith Ferguson: 
  • Patrick Seitz: 
  • Steven Blum: Wolverine
  • Steve Downes: Peter Quill/Star-Lord
  • Colleen Clinkenbeard: Gamora

More to be added.

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