The WORST episodes of The Marvel Super Heroes

Every episode of The Marvel Super Heroes ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of The Marvel Super Heroes!

This cartoon series, characterized by extremely limited animation, features five of the most popular super-powered heroes from Marvel Comics: the Incredible Hulk, the Mighty Thor, Captain America, Iron Man, and the Sub-Mariner, each of whom is the star of 13 episodes, adding to a total of 65. All episodes are divided into three seven-minute segments separated by a short description of one of the other four heroes featured in the series. The Incredible Hulk, into whom scientist Bruce Banner changes whenever excited, angered, or bombarded by gamma rays from a machine, frequently combats the Leader, a villainous genius with a gamma-ray-mutated brain. Captain America's foe, the Red Skull, opposes him in World War II Europe, where Captain America's original self, Captain Steve Rogers, is stationed as a soldier. Thunder-God Mighty Thor's evil brother, Loki, concocts nature-twisting schemes in his vain effort to vanquish

Last Updated: 6/8/2025Network: ABC (US)Status: Ended
Captain America #12 - The Girl from Cap's Past; The Stage is Set; Thirty Minutes to Live
star
4.19
27 votes

#1 - Captain America #12 - The Girl from Cap's Past; The Stage is Set; Thirty Minutes to Live

Season 1 - Episode 58 - Aired 11/21/1966

Captain America encounters a girl from his past and quickly discovers she is an agent of SHIELD who is working with Batroc.

The Incredible Hulk #10 - The Ringmaster; Captive of the Circus; The Grand Finale
star
4.22
27 votes

#2 - The Incredible Hulk #10 - The Ringmaster; Captive of the Circus; The Grand Finale

Season 1 - Episode 49 - Aired 11/8/1966

The Circus of Crime is in town and is looking to rob everyone blind. Unfortunately, they try to rob Rick Jones, a friend of the Hulk.

The Incredible Hulk #6 - Brawn Against Brain; Captured at Last; Enter the Chameleon
star
4.29
28 votes

#3 - The Incredible Hulk #6 - Brawn Against Brain; Captured at Last; Enter the Chameleon

Season 1 - Episode 29 - Aired 10/11/1966

The Leader dispatches the Chameleon to retrieve a sample of Bruce Banner's technology.

The Mighty Thor #8 - The Mysterious Mister Hyde; Revenge of Mr. Hyde; Thor's Showdown with Mr. Hyde
star
4.31
29 votes

#4 - The Mighty Thor #8 - The Mysterious Mister Hyde; Revenge of Mr. Hyde; Thor's Showdown with Mr. Hyde

Season 1 - Episode 36 - Aired 10/20/1966

Calvin Zabo, an employee fired by Donald Blake for stealing, vows revenge and uses a chemical formula to turn himself into the super powered Mr. Hyde.

Prince Namor the Sub-Mariner #2 - The Start of the Quest; Escape to Nowhere; A Prince There Was
star
4.33
6 votes

#5 - Prince Namor the Sub-Mariner #2 - The Start of the Quest; Escape to Nowhere; A Prince There Was

Season 1 - Episode 7 - Aired 9/9/1966

Prince Namor encounters dangers and traps in his quest for the fabled Trident of Neptune. Evil Krang tries his best to stumble the Sub-Mariner as Lady Dorma pines for her beloved Prince.

The Incredible Hulk #1 - Origin of the Hulk; Enter the Gorgon; To Be a Man
star
4.91
43 votes

#6 - The Incredible Hulk #1 - Origin of the Hulk; Enter the Gorgon; To Be a Man

Season 1 - Episode 4 - Aired 9/6/1966

Bruce Banner becomes the Hulk by saving Rick Jones from a gamma bomb explosion. The Gorgon comes to America and fights the Hulk, only to be cured of his ugly disease by Hulk.

The Mighty Thor #1 - Trapped by Loki; Vengeance of Loki; Defeat of Loki
star
4.96
48 votes

#7 - The Mighty Thor #1 - Trapped by Loki; Vengeance of Loki; Defeat of Loki

Season 1 - Episode 1 - Aired 9/1/1966

After years of imprisonment in Asgard, Loki escapes to Earth to gain his revenge on his half-brother, Thor. Once there, Loki learns that Thor lives among humans as one of them, Dr. Donald Blake.

The Invincible Iron Man #12 - The Dream Master; If a Man Be Mad; Duel in Space
star
5.11
27 votes

#8 - The Invincible Iron Man #12 - The Dream Master; If a Man Be Mad; Duel in Space

Season 1 - Episode 60 - Aired 11/23/1966

Upset about Pepper's love for Tony and Tony hogging the spotlight, Happy quits and goes to Ireland. Iron Man tries to convince him to return while being randomly attacked by old enemies he believed were dead.

Prince Namor the Sub-Mariner #1 - Peril in the Surface World; So Spreads the Net; The Unveiling
star
5.19
47 votes

#9 - Prince Namor the Sub-Mariner #1 - Peril in the Surface World; So Spreads the Net; The Unveiling

Season 1 - Episode 2 - Aired 9/2/1966

In this first episode we find out the origin of Prince Namor, the Sub-Mariner. Having incurred amnesia because of an illness, Namor looks for his identity on land and finds the mysterious Mrs."B", who knows & holds the real truth of his past.

The Invincible Iron Man #3 - Ultimo; Ultimo Lives; Crescendo
star
5.39
31 votes

#10 - The Invincible Iron Man #3 - Ultimo; Ultimo Lives; Crescendo

Season 1 - Episode 15 - Aired 9/21/1966

Tony Stark is held prisoner by the Mandarin, whose latest minion is the giant android Ultimo.

The Incredible Hulk #2 - Terror of the Toadmen; Bruce Banner Wanted for Treason; Hulk Runs Amok
star
5.78
9 votes

#11 - The Incredible Hulk #2 - Terror of the Toadmen; Bruce Banner Wanted for Treason; Hulk Runs Amok

Season 1 - Episode 9 - Aired 9/13/1966

After the army shoots down their UFO, the evil Toadmen seek refuge in an underground tunnel and magnetically pull the moon toward earth, causing great disasters. Banner escapes imprisonment, confronts the Toadmen's attack and saves earth.

Captain America #2 - The Sentinel and the Spy; The Fantastic Origin of the Red Skull; Lest Tyranny Triumph
star
5.82
34 votes

#12 - Captain America #2 - The Sentinel and the Spy; The Fantastic Origin of the Red Skull; Lest Tyranny Triumph

Season 1 - Episode 8 - Aired 9/12/1966

Captain America is captured by his enemy, the Red Skull, who brainwashes him and hopes to use him as an assassin.

Captain America #3 - Midnight in Greymoor Castle; If This Be Treason; When You Lie Down with Dogs
star
5.83
6 votes

#13 - Captain America #3 - Midnight in Greymoor Castle; If This Be Treason; When You Lie Down with Dogs

Season 1 - Episode 13 - Aired 9/19/1966

While Steve Rogers is deployed on a military mission, Bucky gets kidnapped by an evil scientist.

The Mighty Thor #3 - The Enchantress and the Executioner; Giants Walk the Earth; Battle of the Gods
star
5.90
10 votes

#14 - The Mighty Thor #3 - The Enchantress and the Executioner; Giants Walk the Earth; Battle of the Gods

Season 1 - Episode 11 - Aired 9/15/1966

Hoping to break up the love between Thor and Jane Foster, Odin heeds advice from Loki. Loki uses this opportunity to pit the Enchantress, the Executioner and two powerful giants against Thor.

The Incredible Hulk #9 - Hulk vs. Metal Master; The Master Tests His Metal; Mind Over Metal
star
6.00
27 votes

#15 - The Incredible Hulk #9 - Hulk vs. Metal Master; The Master Tests His Metal; Mind Over Metal

Season 1 - Episode 44 - Aired 11/1/1966

When the Metal Master invades the earth, a slightly mutated Hulk must use Bruce Banner's intellect to defeat him with a plastic "super weapon".

The Invincible Iron Man #1 - Double Disaster; Enter Happy Hogan; Of Ice and Men
star
6.00
41 votes

#16 - The Invincible Iron Man #1 - Double Disaster; Enter Happy Hogan; Of Ice and Men

Season 1 - Episode 5 - Aired 9/7/1966

While Tony Stark is busy with his new race car one of his scientists plots to destroy him.

Prince Namor the Sub-Mariner #3 - Not All My Power Can Save Me; When Fails the Quest; The End of the Quest
star
6.00
9 votes

#17 - Prince Namor the Sub-Mariner #3 - Not All My Power Can Save Me; When Fails the Quest; The End of the Quest

Season 1 - Episode 12 - Aired 9/16/1966

The evil warlord Krang schemes to destroy Prince Namor so he can wage war on the surface world.

The Mighty Thor #4 - At the Mercy of Loki; Trial of the Gods; Return to Earth
star
6.00
5 votes

#18 - The Mighty Thor #4 - At the Mercy of Loki; Trial of the Gods; Return to Earth

Season 1 - Episode 16 - Aired 9/22/1966

Loki brings Jane Foster to Asgard and tries to convince Odin that it was Thor who brought her there. In order to prove which of his sons is lying, Odin sends both to Skornheim, where they must endure its deadly dangers.

Captain America #9 - The Bitter Taste of Defeat; Sorcery Triumph; The Road Back
star
6.00
2 votes

#19 - Captain America #9 - The Bitter Taste of Defeat; Sorcery Triumph; The Road Back

Season 1 - Episode 43 - Aired 10/31/1966

The Enchantress casts a spell of evil causing the Avengers to argue with each other while she launches an attack.

The Invincible Iron Man #9 - The Other Iron Man; Death Duel; Into the Jaws of the Death
star
6.00
2 votes

#20 - The Invincible Iron Man #9 - The Other Iron Man; Death Duel; Into the Jaws of the Death

Season 1 - Episode 45 - Aired 11/2/1966

When the press discovers that Tony Stark is Iron Man, Happy puts on the armor to fool them. He quickly gets kidnapped by The Mandarin and Tony must make new armor to save him.

The Incredible Hulk #13 - The Man Called Boomerang; Hulk Intervenes; Less Than Monster, More Than Man
star
6.04
27 votes

#21 - The Incredible Hulk #13 - The Man Called Boomerang; Hulk Intervenes; Less Than Monster, More Than Man

Season 1 - Episode 64 - Aired 11/29/1966

Boomerang tries to steal a missile from General Ross' base and kidnaps Betty along the way, only to give her to the Hulk after a fight. Boomerang attacks an army base, but Talbot stops him. Will the Hulk ever be a hero?

Captain America #5 - The Return of Captain America; The Search; To Live Again
star
6.04
27 votes

#22 - Captain America #5 - The Return of Captain America; The Search; To Live Again

Season 1 - Episode 23 - Aired 10/3/1966

The Mighty Avengers find Captain America floating in the ocean alive after having been assumed dead for 20 years.

Captain America #13 - The Red Skull Lives; He Who Holds the Cosmic Cube; The Red Skull Supreme
star
6.04
26 votes

#23 - Captain America #13 - The Red Skull Lives; He Who Holds the Cosmic Cube; The Red Skull Supreme

Season 1 - Episode 63 - Aired 11/28/1966

Captain America is startled to learn his old enemy, the Red Skull, is still alive. The Skull seeks the all-powerful Cosmic Cube.

Captain America #4 - The Revenge of Captain America; The Trap is Sprung; So Dies a Villain
star
6.06
33 votes

#24 - Captain America #4 - The Revenge of Captain America; The Trap is Sprung; So Dies a Villain

Season 1 - Episode 18 - Aired 9/26/1966

Feeling depressed over Bucky's death, Captain America decides to get revenge against Zemo.

The Invincible Iron Man #6 - Enter Hawkeye; So Spins the Web; Triple Jeopardy
star
6.07
28 votes

#25 - The Invincible Iron Man #6 - Enter Hawkeye; So Spins the Web; Triple Jeopardy

Season 1 - Episode 30 - Aired 10/12/1966

The story of how an Archer wants to become a hero after watching Iron Man saving some people and how he is tricked by Black Widow.