A group of teenagers join forces with the Avengers, Earth's mightiest heroes, to fight against the tyrannical Loki and his mighty empire.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | The Mightiest Heroes! | 2014-04-02 | 22 min |
| Season 1 | Episode 2 | Heroes Annihilated!? | 2014-04-09 | 22 min |
| Season 1 | Episode 3 | Iron Man, Reborn! | 2014-04-16 | 22 min |
| Season 1 | Episode 4 | Re-enforcement Hawkeye | 2014-04-23 | 22 min |
| Season 1 | Episode 5 | Mighty Thor Descends | 2014-04-30 | 22 min |
| Season 1 | Episode 6 | Hulk Runs Wild | 2014-05-07 | 22 min |
| Season 1 | Episode 7 | Hulk Versus Captain | 2014-05-14 | 22 min |
| Season 1 | Episode 8 | Avengers Assemble | 2014-05-21 | 22 min |
| Season 1 | Episode 9 | Spider-Man is Missing | 2014-05-28 | 22 min |
| Season 1 | Episode 10 | Showdown: The Silver-Donned Samurai! | 2014-06-04 | 22 min |
| Season 1 | Episode 11 | A Gift from Tony | 2014-06-11 | 22 min |
| Season 1 | Episode 12 | The Invincible Juggernaut! | 2014-06-18 | 22 min |
| Season 1 | Episode 13 | Gravity Control! Graviton | 2014-06-25 | 22 min |
| Season 1 | Episode 14 | The Man Who Controls the Whips of Darkness | 2014-07-02 | 22 min |
| Season 1 | Episode 15 | Castle Treasure Hunt | 2014-07-09 | 22 min |
| Season 1 | Episode 16 | Uncontrollable Beasts | 2014-07-16 | 22 min |
| Season 1 | Episode 17 | That Man, Wolverine! | 2014-07-23 | 22 min |
| Season 1 | Episode 18 | Mutant Girl Awakening | 2014-07-30 | 22 min |
| Season 1 | Episode 19 | Stolen Heroes | 2014-08-06 | 22 min |
| Season 1 | Episode 20 | In Danger! Wolverine! | 2014-08-13 | 22 min |
| Season 1 | Episode 21 | X-Men! To the Castle of Loki | 2014-08-20 | 22 min |
| Season 1 | Episode 22 | Decisive Battle. Loki Versus the Heroes | 2014-08-27 | 22 min |
| Season 1 | Episode 23 | A Brand New Red Terror! | 2014-09-03 | 22 min |
| Season 1 | Episode 24 | Guardians of the Galaxy | 2014-09-10 | 22 min |
| Season 1 | Episode 25 | Together with the Guardians | 2014-09-17 | 22 min |
| Season 1 | Episode 26 | Protect the Top-Secret Data! | 2014-09-24 | 22 min |
| Season 1 | Episode 27 | The Forbidden Hero Appears? | 2014-10-01 | 22 min |
| Season 1 | Episode 28 | The Earth Destruction Plan | 2014-10-08 | 22 min |
| Season 1 | Episode 29 | His Majesty, Black Panther | 2014-10-15 | 22 min |
| Season 1 | Episode 30 | The Time for Chris to Decide | 2014-10-22 | 22 min |
| Season 1 | Episode 31 | Ed's Solo Infiltration Mission | 2014-10-29 | 22 min |
| Season 1 | Episode 32 | Hikaru, Tainted by Evil | 2014-11-05 | 22 min |
| Season 1 | Episode 33 | The Ultimate Strategy of the Red Skull | 2014-11-12 | 22 min |
| Season 1 | Episode 34 | A New Avenger? | 2014-11-19 | 22 min |
| Season 1 | Episode 35 | The Black Spider-Man! | 2014-11-26 | 22 min |
| Season 1 | Episode 36 | Weakness of the Venom Symbiote! | 2014-12-03 | 22 min |
| Season 1 | Episode 37 | The Overly Clever Helper Robot! | 2014-12-10 | 22 min |
| Season 1 | Episode 38 | Sub-Orbital Iron Man! | 2014-12-17 | 22 min |
| Season 1 | Episode 39 | Giant Ultron's Army | 2014-12-24 | 22 min |
| Season 1 | Episode 40 | Hikaru, Thor and the Mysterious Voice | 2015-01-07 | 22 min |
| Season 1 | Episode 41 | The 5 Goons Strike Back! | 2015-01-14 | 22 min |
| Season 1 | Episode 42 | Night of the Vampires! | 2015-01-21 | 22 min |
| Season 1 | Episode 43 | Blade's Heartless Decision! | 2015-01-28 | 22 min |
| Season 1 | Episode 44 | Ronin and the Treasure of Darkness! | 2015-02-04 | 22 min |
| Season 1 | Episode 45 | The Trap to Divide the Heroes! | 2015-02-11 | 22 min |
| Season 1 | Episode 46 | Doctor Strange Dokutā Sutorenji | 2015-02-18 | 22 min |
| Season 1 | Episode 47 | Tony's Waking Warning | 2015-02-25 | 22 min |
| Season 1 | Episode 48 | At Long Last, the Gate to Darkness Opens! | 2015-03-04 | 22 min |
| Season 1 | Episode 49 | Complete Release from the DISKs! | 2015-03-11 | 22 min |
| Season 1 | Episode 50 | The Hero Alliance, On the Verge of Defeat | 2015-03-18 | 22 min |
| Season 1 | Episode 51 | Farewell, Heroes of My Heart! | 2015-03-25 | 22 min |
| Directing | Toshiaki Komura | Series Director |
| Writing | Ryu King | Writer |
| Sound | Takanori Nishikawa | Theme Song Performance |
