Marvel has an enormous roster of characters that creates one of the most complex and fleshed-out fictional worlds ever created. This impressive catalog of characters has led to countless adaptations in other mediums, such as movies, television, book, and everything in between.
But despite the abundance of characters to choose from these adaptations on occasion have chosen to create their own characters to better fit the story they are telling. These characters have then been worked into Marvel comics continuity and the rest is history. With this in mind here are 10 classic Marvel characters who weren't actually introduced in the comics.
Agent Colson
Agents of Shield, which wraps up its 7th and final season this year.
However, the character was created just for the movies and his popularity saw his folded into the comics where he has made appearances as an agent of Shield.
Spyke
2000's X-Men: Evolution explored the mutant corner of the Marvel universe and featured an ensemble cast of the best Mutants straight out of the comics. But despite the vast number of characters on offer, X-Men: Evolution decided to create a couple of their own.
Spyke debuted in the 5th episode of the series "Speed and Spyke" and his popularity saw him folded into Marvel comics. With bone spikes growing from his arms, Spyke can throw, stab, and do all sorts of fun tricks with these deadly weapons.
Hypnotia
The '90 saw many Marvel cartoons be produced, including an Iron Man series. The show pitted Tony Stark against some of his most infamous villains that featured throughout the character's long comic book history.
The series also created its own villains, with the power to hypnotize anyone, Hypnotia worked for The Mandarin and proved to be one of Iron Man's most deadly foes. The character transitioned into the comics after her debut, appearing in many stories throughout the '90s.
Iceberg
Iceberg made his debut in Spider-Man: The Animated Series and appeared in season 4's "The Prowler" and served as one of New York's biggest crime bosses, working under The Kingpin. rouges galleries of any superhero, but the long-running series still chose to create a couple of their own.
Possessing superhuman strength and a handgun that fires ice projectiles, Iceberg's Mr. Freeze inspired powers ever threatened to overthrow The Kingpin himself.
Leo Fitz
Agents of Sheild introduced a host of new characters, many of which proved to be popular and transition in Marvel comics. Leopold Fitz is without a doubt one of the most brilliant engineers Shield has at their disposal, on top of all that he's more than willing to put himself harms way to protect others, making him one of their best agents.
He has appeared in Marvel comics since 2015 and in other media such as Ultimate Spider-Man. It's also worth noting that other characters featured throughout the series have also been incorporated into the comic books, including Agent Melinda May, Jemma Simmons, among others.
Icemaster
Icemaster has served as a member of The Masters of Evil and his command over ice makes him a deadly enemy. However, Icemaster's strange backstory remains one of the most unusual in Marvel's history and the frosty foe made his debut in a Fruit Pie advert featured in a Marvel comic. The advert sees The Human Torch face off against Icemaster, who is defeated by his love of fruit pies. These fruit pies heat him up and disable his powers.
His transition into the comics saw the character retain this weakness, and upon devowing these tasty treats, or anything hot, he losses all his abilities and returns to his human form.
H.E.R.B.I.E
H.E.R.B.I.E appeared in the 1978 animated series The New Fantastic Four and served as a core member of the titular team. The series did not feature The Human Torch, with H.E.R.B.I.E serving as his replacement.
This due to an issue surrounding the rights of the character which prevented him from appearing. Within a year the robotic companion was incorporated into the Fantastic Four comics and although not a member of the Fantastic Four, he remains a trusted ally.
Firestar
Firestar first appeared in Spider-Man and His Amazing Freinds and possesses the power to manipulate microwave radiation, giving her the ability to fly and create fire. The series presents a different side of Spider-Man and sees him teaming up with a cast of colorful characters.
Since her first appearance in the '80s, Firestar has appeared in many Marvel comics including her own min-series. Since then she has been a member of many superhero teams including The Avengers, New Warrior, and even taught at Xavier's School For Gifted Mutants.
Abraham Whistler
Abraham Whistler featured thought the Blade trilogy and served as Blade's mentor and trusted ally. However, the character made his first appearance in Spider-Man: The Animater Series where the character appears in several episodes.
Although his appearance may be different in animated form, the character's role of assisting and training Blade remains the same. Whistler went on to make several appearances in Marvel tie-in comics after the release of the first Blade movie.
X-23
X-23 made her first appearance in X-Men: Evolution and proved to be one of the series' most popular characters. As a clone of Wolverine X-23 possesses his regenerative ability, bone claws, and berserker rage.
Although not the first clone to be produced, her popularity saw her quickly transition into the comics and become one of the X-Men's most recognizable faces. Her struggle to control her powers and tortured childhood makes her one of the X-Men's most interesting characters of recent memory.