With a skeleton of adamantium and razor-sharp claws, Wolverine is a lethal killing machine. Combining lethal powers with childhood trauma makes Wolverine a hot-headed freak. And, due to his nature, he doesn’t shy away from killing or even tearing other characters apart.

However, while his original character is already incredibly violent, there are alternate versions of him that can be even more brutal. From a vampire to a flesh-eating zombie, Wolverine has seen many faces. So, here are the most bloodthirsty versions of Wolverine, capable of wreaking ultimate chaos.

8 Ultimate Wolverine

A Hot-Headed Maniac

• First Appearance: Ultimate X-Men #1 (February 2001)

While this version of Wolverine is similar to his Earth-616 counterpart, the Ultimate Wolverine is way more brutal. This variant of Wolverine has no remorse for his enemies, making him lethal. On top of his ruthless nature, the Ultimate Wolverine doesn’t hesitate to kill. So, if he wants someone dead, they’re probably dying without a second thought.

In the Ultimate X-Men storyline, his violent tendencies are displayed as Logan nearly kills Cyclops during a confrontation. This highlights the fact that the Ultimate Wolverine will kill his friends and enemies alike. Overall, this version of Wolverine is more lethal in every sense compared to his original counterpart, making him an even darker character.

7 Old Man Logan

A Vengeful Dystopian Version Of Logan

• First Appearance: Fantastic Four #558 (August 2008)

In a future where supervillains have taken over, one of the most violent incarnations of Wolverine emerges. Manipulated by Mysterio into killing the X-Men, this version of Logan condemns violence and lives a pacifist life. However, when he finds out that the Hulk gang murdered his family, he seeks revenge and bloodshed.

Now, as a man with nothing left to lose, anyone foolish enough to get in his way gets a taste of his berserker rage. This version of Wolverine suffers enough loss to turn him into the most violent creature on Earth. Throughout the series, this version of Wolverine stabs, slices, and decapitates enemies without any remorse. Ultimately, he ends up killing The Hulk, avenging his family.

6 X-Force Wolverine

The Lethal Assassin

• First Appearance: Uncanny X-Men #493 (December 2007)

When the X-Men weren’t enough to take on the biggest threats in the universe, the X-Force was created. The X-Force was tasked with one thing only; to get rid of its enemies. So, as a part of the X-Force, this version of Wolverine operates with deadly efficiency, without any remorse.

As the X-Force is tasked with eliminating threats to mutant-kind, Wolverine takes charge and assassinates whoever he deems necessary. On top of that, his berserker rage is highlighted in this variant, as he doesn’t hold back, creating some of the nastiest bloodshed in Marvel.

5 Weapon X Wolverine

The Tortured Version Of Wolverine

• First Appearance: X-Men Alpha #1

The Wolverine of Weapon X is probably the most tortured version of Wolverine. Subjected to horrific experiments, this variant emerged as a feral and bloodthirsty mutant. Stripped of his humanity, this version of Logan was turned into a mindless killing machine. With a skeleton laced with adamantium and an unprecedented healing factor, this Wolverine becomes a lethal force.

In an act of revenge, the Weapon X Wolverine rips apart the facility that created him, slicing anyone in his way. This savage version of Wolverine embodies the raw, primal fury that lurks beneath the surface of the character. His uncontrollable bloodlust and beast-like instinct combine to create one of the strongest mutants to exist.

4 Hydra Wolverine

Transformed Into A Living Weapon

• First Appearance: EXILES #92

By far, one of the most evil versions of Wolverine is the Hydra Wolverine. When Logan falls under the control of Hydra, he becomes a chilling testament to what Logan can become when his moral compass is broken. This dark version of Wolverine is stripped away of his humanity and turned into a lethal killing machine.

Brainwashed and augmented by Hydra's sinister science, this alternate Wolverine becomes the ultimate weapon. His adamantium-laced claws, once instruments of justice, now cause bloodshed across the Marvel Universe. This nightmarish incarnation is a haunting exploration of Logan's darkest impulses let loose, making him truly terrifying.

3 Vampire Wolverine

The Bloodthirsty Undead Mutant

• First Appearance: What If...? #24

After being infected by vampire blood, Wolverine is transformed into a vampire, creating one of the most horrifying alternate versions. Putting Logan's feral mutant instincts together with an insatiable thirst for blood, he becomes an exceptionally terrifying force. As a result, his healing factor becomes more effective.

On top of that, his adamantium claws, now blessed with unholy strength, tear through flesh and bone with greater ease. This alternate version of Wolverine embodies the ultimate predator. Blending mutant and vampire lore, this variant of Wolverine pushes the boundaries of horror in the Marvel Universe.

2 Hellverine

Wolverine as the Devil's Bloodthirsty Bounty Hunter

• First Appearance: Wolverine #36 2nd

Lurking deep in the Marvel Universe is a version of Wolverine that can send shivers down anyone’s spine. Hellverine, the Devil's ruthless bounty hunter, is an alternate version of Wolverine with pure, unadulterated bloodlust. This version of Logan terrifyingly pushes the boundaries of evil.

The adamantium claws of Hellverine are linked with hellfire, dripping with the essence of damned souls. So, each slash leaves wounds that burn with fire. This violent take on Wolverine hunts not for survival or justice but for the mere and twisted pleasure of a kill. His eyes blaze with hellfire, reflecting an insatiable hunger for a bloodbath that makes even hardened villains shiver in fear.

1 Zombie Wolverine

An Evil Bloodthirsty Incarnation

• First Appearance: Ultimate Fantastic Four #22 (Cameo)

Similar to other Marvel characters, there exists a zombie version of Wolverine. However, when someone like Wolverine turns into a zombie, it's all out chaos. The Zombie Wolverine is a creature of pure destruction, tearing apart his victims and consuming them. Using his claws to decapitate, this version of Wolverine embodies extreme violence and brutality.

Stripped of his humanity and mind, the sole aim of this version of Wolverine is to satisfy his insatiable hunger. To do so, he goes on a killing rampage, without a thought crossing his infected brain. Overall, besides the fact that he’s a zombie, this version of Wolverine is definitely the most bloodthirsty.