Spider-Man teams up the Five remaining members of the American Six to stop the Kingpin from getting the Doomsday Weapon. But the Red Skull's son, Rheinholdt has a trap set for all with the help of the Chameleon, allowing the return of his father and Captain America.
This episode provides examples of:
- Anti-Hero: Silver Sable. She only does mercenary work on the side for extra cash but the true goal of the Wild Pack is to hunt down war criminals who have escaped justice. Even then, she was only working for Kragov because she didn't know he was helping the Red Skull.
- Big Damn Heroes: Just when the Red Skull was about to his giant robots to finish off Spider-Man and the remaining American Six, Dr. Groitzig frees Captain America from the vortex, then Silver Sable and the Wild Pack to free the captured heroes.
- Connected All Along: The Chameleon is not only the adoptive son of the Red Skull, but the latter is one who created the Chameleon's illusion belt and taught how him to use it when he was a boy.
- Decomposite Character: The Golden Age super hero Black Marvel is split into two different people. Dan Lyons, the hero's identity from the comics, is made into a separate character only posing as the real Black Marvel, while his true identity in the show is revealed to Omar Mosely, who was a Afro-American friend and chauffeur of Lyons. The split is explained as being necessary because A: Lyons' father didn't want to risk his son's life on the untested Super Serum, and B: people wouldn't have accepted a black superhero in those days, so Mosely got the treatment and Lyons became his Secret-Keeper.
- Exact Words: The Kingpin tells the heroes will let go of Robbie, who he is holding hostage, in exchange for the two keys to the Doomsday Weapon. After the Kingpin gets them, and he and the Insidious Six make their escape by helicopter, the Kingpin reveals that he is going to release Robbie while he is up in the air. Luckily, the Black Marvel is able to catch him.
- The Family That Slays Together: The Red Skull is a Nazi spymaster, the Chameleon is a Master of Disguise, and Rheinholdt is a Nazi sympathizer. All of them are planning to use Project Doomsday for world domination.
- Foreshadowing: The Giant Robots that everyone believed to be the Doomsday weapons run out of power not long after the Red Skull releases them, Doctor Octopus notes how lack of foresight isn't usually a German failing. While Captain America believes they stopped the Red Skull before he could charge the robots, the next episode reveals the Robots are not the real doomsday weapon.
- Good All Along: Silver Sable and the Wild Pack. While Silver is a mercenary, it is revealed that her father founded a group to hunt World War 2 criminals like the Red Skull, and she reveals how to stop the Red Skull's doomsday weapon.
- Hidden Agenda Villain: The Chameleon is revealed to be the traitor in the Insidious Six and that he is conspiring against the Kingpin, with Rhienholdt, his foster brother, to free their father the Red Skull, from the vortex he is trapped and use the Doomsday weapon to the make Red Skull’s dream of World Domination a reality.
- Hope Spot: After Captain America is freed from the vortex, and Silver Sable and the Wild Pack show up to help stop the Red Skull’s Doomsday weapon, which are believed to be the giant robots he activated, the robots run out of power, Captain America believes that they have stopped the Red Skull before he could charge them. The next episode reveals that's not the case.
- Nazi Hunter: Silver Sable reveals to Spider-Man that the Wild Pack specializes in hunting down Nazi war criminals, a group that was founded by her father.
- Race Lift: Thanks to the use of Decomposite Character, as noted above, Black Marvel is now Omar Mosley, an African-American man. Dan Lyons, who was Black Marvel in the comics, was white in both.
- Related in the Adaptation: In the comics the Chameleon has no relation to the Red Skull whatsoever, in the series he is the adoptive son of the Red Skull, who created his illusion belt and taught how him to use it.
- The Reveal: The Chameleon is the traitor in in the Insidious Six, and is the adoptive son of the Red Skull, who created the Chameleon's image changing belt, and foster brother of Rheinholdt, whom he was secretly working together with to free the Red Skull.
- You Have Outlived Your Usefulness: The Kingpin uses Robbie as a bargaining chip for two of the keys to the Doomsday Weapon. After the Kingpin gets however, he releases Robbie from his helicopter, to make him fall a couple stories, which would most likely kill him. But fortunately, the Black Marvel catches Robbie before he gets hurt.
- You Are Better Than You Think You Are: When the American Six reunite to stop the Kingpin from getting the Doomday Weapon, Miss America and the Whizzer are both to reluctant to try help stop the Kingpin because they believe they are old too old for superhero work. However, Spider-Man assures them even though they are not in their prime, he would rather work together with than the crime fighters in the present.
