Episode: 1 The Mightiest of Heroes! Episode: 2 Heroes Annihilated!? Episode: 3 Iron Man, Reborn! Episode: 4 Re-enforcement Hawkeye Episode: 5 Mighty Thor Descends Episode: 6 Hulk Runs Wild Episode: 7 Hulk Versus Captain Episode: 8 Avengers Assemble Episode: 9 Spider-Man Is Missing Episode: 10 Showdown! The Silver-Donned Samurai! Episode: 11 A Gift from Tony Episode: 12 The Invincible Juggernaut! Episode: 13 Gravity Control! Graviton Episode: 14 The Man Who Controls the Whips of Darkness Episode: 15 Castle Treasure Hunt Episode: 16 Untamable Beasts Episode: 17 That Man, Wolverine! Episode: 18 Mutant Girl Awakening Episode: 19 Stolen Heroes Episode: 20 In Trouble! Wolverine! Episode: 21 X-Men! To Loki's Castle! Episode: 22 Final Battle! Loki vs the Heroes! Episode: 23 A Brand New Red Terror! Episode: 24 Guardians of the Galaxy Episode: 25 Together with the Guardians Episode: 26 Protect the Top-Secret Data! Episode: 27 The Forbidden Hero Appears? Episode: 28 The Earth Destruction Stratagem! Episode: 29 His Majesty, Black Panther Episode: 30 Chris and the Moment of Truth! Episode: 31 Ed's Solo Infiltration Mission Episode: 32 Hikaru, Tainted by Evil Episode: 33 The Ultimate Strategy of the Red Skull Episode: 34 A New Avenger? Episode: 35 The Black Spider-Man! Episode: 36 Weakness of the Venom Symbiote! Episode: 37 The Overly Clever Helper Robot! Episode: 38 Sub-Orbital Iron Man! Episode: 39 The Ultra Gigantic Ultron Army! Episode: 40 Hikaru, Thor and the Mysterious Voice Episode: 41 The 5 Goons Strike Back! Episode: 42 Night of the Vampires! Episode: 43 Blade's Heartless Decision! Episode: 44 Ronin and the Treasure of Darkness! Episode: 45 The Trap to Divide the Heroes! Episode: 46 Doctor Strange Episode: 47 Tony's Waking Warning Episode: 48 At Long Last, the Gate to Darkness Opens! Episode: 49 Complete Release from the DISKs! Episode: 50 Fall of the Assembled Heroes Episode: 51 Farewell, Our Heroes!