For the past six decades and counting, Marvel’s mutant heroes have taken on some of the biggest threats that their universe has to offer. In that time, the X-Men have proven just how capable they are over and over again, as have their worst enemies.
Of course, not every superpowered villain that the X-Men have faced has managed to make much of an impact. Worse still, there are some who keep coming back to try once more, only to learn yet another devastating lesson in their own relevance. That being said, each of the following failed foes of the X-Men still deserves some amount of recognition, if not a shot at redemption.
10
Romulus Simply Doesn’t Know When to Quit
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Romulus is by far the most well-known villain out of this particular bunch, not to mention one of the most accomplished. Unfortunately for him, none of Romulus’ many schemes have been the successes he was hoping for, nor have any of them propelled him to the upper echelon of Marvel’s mutant menaces.
Purportedly thousands of years old and born from a line of feral humans whose evolutionary path diverged from the rest, Romulus is a powerhouse unto himself. Over his centuries-long life, Romulus has watched empires rise and fall, the world wage war on itself, and one particularly interesting mutant become his greatest obsession.
Throughout his comic book career, Romulus has always been associated with and focused on Wolverine, and he has carried out some truly devastating plots against the mutant hero. Romulus was even the one to raise Wolverine’s son Akihiro as the villainous Daken, which should make him a much more imposing figure than he is. Even with his latest Adamantine-fueled return, however, Romulus simply cannot leave any sort of permanent mark on his sole enemy, let alone the X-Men as a whole.
9
Brainchild Could Always Come Back for Revenge
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Introduced all the way back in 1969’s X-Men #62 by Roy Thomas and Neal Adams, Brainchild was one of the Savage Land Mutates created by Magneto during a part of his clandestine efforts in the Savage Land. Acting as the enigmatic Creator, Magneto took it upon himself to experiment on various natives to create a new superpowered army to call his own.
While Brainchild is far from the most powerful of his fellow Savage Land Mutates, there is no doubt that he is the most intelligent of them all. In fact, Brainchild was fully capable of carrying out his own genetic experiments and successfully modify different dinosaurs as he saw fit. This more than proves what Brainchild can accomplish, and would likely make him a serious threat if he were ever given a proper comeback.
8
The Living Monolith is a Wildly Underrated Marvel Comics Menace
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Ahmet Abdol, better known as the Living Monolith, was once a professor of Egyptology whose strange theories brought forth the same mob violence that claimed the life of his beloved wife. When Abdol discovered he could absorb, manipulate, and command cosmic energies, opening the door for him to take revenge, which was just the beginning of his career as a supervillain.
After being brought into the Cult of the Living Pharoah and learning that his ancient patron was none other than the mutant Apocalypse, Abdol quickly set about cementing his place as a powerhouse and, potentially, the ruler of the entire world. For nearly six decades, Abdol has taken on numerous monikers, wielded the powers of the Juggernaut, and ascended to a near perfect form, yet none of that has earned him a place as one of the X-Men’s more recognizable villains.
7
Ord Deserved Better Than What Marvel Comics Gave Him
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First seen in the pages of 2004’s Astonishing X-Men #1 by Joss Whedon and John Cassaday, the incredibly strong and even more cunning Ord hailed from the harsh planet known as Breakworld. Despite being a warrior culture deeply entrenched in bloodshed, Breakworlders used “timeshadows,” partial visions of the future, to carefully calculate their overall trajectory.
It was Ord who carried his peoples’ declaration of war to Earth after seeing a vision of the future in which the X-Men were responsible for his home, just as it was Ord who secreted away the mutant hero Colossus to be experimented on in order to cultivate the cure to the Legacy Virus, which he twisted into a “cure” for mutantkind.
For years, Ord played the role of one of the X-Men’s greatest enemies, and he very well could have gone down in history as a major member of their rogues gallery. At least, he would have if not for his failures in destroying the X-Men and the subsequent imprisonment on Breakworld that ultimately led to his unceremonious demise.
6
The Church of Humanity Faded Away as Soon as They Arrived
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2001’s Uncanny X-Men #399 by Joe Casey and Tom Raney introduced readers to numerous new characters such as Stacy X, as well as a new threat in the form of the Church of Humanity. In fact, it was the latter who led to the destruction of the X-Ranch that was once the former’s home, setting the Church of Humanity up to be the latest in a long line of infamous anti-mutant organizations.
Then, almost as soon as they appeared, the Church of Humanity were cast into the realm of utter obscurity. Across their entire comic book career, the Church of Humanity have made a whopping four appearances, leaving behind a legacy that was outlived by their most ludicrous member, Paul Botham, aka Mister Clean.
5
The Neo Were (Almost) Cool Enough to Last
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Over the years, Marvel Comics has debut various offshoots of mutantkind. In 2000’s X-Men #100 by Chris Claremont and Leinil Francis Yu, the then-latest of these was introduced as the Neo, who comprised various secretive clans of ultra-powerful mutants who had stayed in seclusion for centuries.
The debut of the Neo was a major development at the time, as mutantkind as a whole had only recently reacquired their powers in the wake of the High Evolutionary’s global genetic manipulation. The Neo even brought along some truly biting intrigue, such as a mystery surrounding the real origin of Kitty Pryde.
Then came the Evolutionaries, an even more ancient race of proto-humans who turned everything upside-down. Dedicated to ensuring the survival of homo superior against any attempt at annihilation, the Evolutionaries not only wiped out all Neo in a single strike, they erased the memories of the latter’s existence, kicking off their own convoluted storyline that has since been largley forgotten.
4
John Sublime Could Have Been the X-Men’s Worst Enemy
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Billions of years ago, the Marvel Universe was home to a Proterozoic Era society of mutants and humans known as the Threshold. While Threshold thrived for a time, it eventually came into conflict with an underwater species known as the Unbreathing, which in turn led to the development of two sentient bioweapons known as Subline and Arkea.
For millions and millions of years after the fall of both the Threshold and Unbreathing, Sublime existed as an unseen parasite, lurking in various hosts and watching entire civilizations rise and fall. When mutantkind emerged, Sublime found itself faced with the first potential host that it could not infect, driving it to discover just what mutants are made of, and how to destroy them.
In the modern era, Sublime wormed its way into the Weapon X program under the appearance of John Sublime, an assistant scientist who took great pains to manipulate things from behind the scenes to his own ends. Of course, none of Sublime’s efforts ever actually eradicated mutankind as it had hopes, nor has it every done enough damage for the majority of fans to who who they are in the first place.
3
Siena Blaze Deserves Another Shot at the Spotlight
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Siena Blaze has one of the more intriguing histories compared to most forgotten mutant villains, which might be precisely what has been holding her back. First seen in the pages of 1992’s Stryfe’s Strike File #1, which offered readers a glimpse the titular mutant villain’s personal files on various mutant heroes and villains, Siena Blaze wouldn’t make a proper debut until the following year.
As a member of Trevor Fitzroy’s Upstarts, Siena came into conflict with the likes of the X-Men on multiple occasions. And, with her power to absorb the planet’s elecromagnetic energy and reform it into destructive blasts of energy or use it as her personal mode of transport, few ever stood a chance against her. At the same time, Siena never got the chance to show off what she was truly capable of doing.
Because of the way in which Siena’s powers interact with the rest of the world, repeated use of her abilities would all but assuredly destroy the entire planet at some point. If Siena were allowed to tap into the ultimate depths of her abilities she could likely tear the Earth apart single-handedly. In spite of all of this, Siena has lived meager lives and died at the hands of less capable foes on multiple occasions, all without ever becoming a household name in her own right.
2
Kade Kilgore Was Always Going to Be a Letdown
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When the young Kade Kilgore made his comic book debut in the pages of 2011’s X-Men: Schism #1 by Jason Aaron and Carlos Pacheco, he seemed to be on track to become the eponymous mutant heroes’ next great human adversary. The ruthless son of an ultra wealthy weapons manufacturer, Kade wormed his way into the position of CEO within his father’s company before doing the smae to become the then-latest Black King of the Hellfire Club.
For how impossibly cunning and intelligent Kade Kilgore is, he hasn’t quite figured out how to stand on his own as a villain. Although he was last seen still plotting against mutantkind as a member of the Homines Verendi, that was a far cry from his former glory as the 12-year-old Black King. That was also more than six years ago, which was more than enough time for Kade to get his act together, if he was ever going to.
1
If Nothing Else, Sauron Will Always Have His Memes
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When he first appeared in 1969’s X-Men #59 by Roy Thomas and Neal Adams, Doctor Karl Lykos was a genius scientist and former colleague of none other than Professor X who, due to a pteranadon attack he suffered as a child, needed to drain the life force from others in order to survive. While Lykos normally did so in secret through non-lethal methods, his attempt to drain the life of the mutant hero Havok triggered his full transformation into the reptilian Sauron.
There is nothing about Sauron that isn’t absurd, including the fact that he took his villainous moniker from J.R.R. Tolkien’s The Lord of the Rings. While he has appeared in well over 100 comics, Sauron is best known for telling Spider-Man that he “doesn’t want to cure cancer,” he “wants to turn people into dinosaurs,” rather than any of the storylines he has been involved in.
