8 Marvel Villains Who Were Criminally Underused in the MCU

Published Oct 31, 2026, 8:00 PM EDT Emedo Ashibeze is a tenured journalist and critic specializing in the entertainment industry. Before joining ScreenRant in 2025. he wrote for several major publications, including GameRant. Sign in to your ScreenRant account The Marvel Cinematic Universe (MCU) has produced some of the highest-grossing and most culturally influential films in cinema history. Over nearly two decades, it has built an interconnected web of iconic heroes. However, one major failing of the MCU is how it handles its iconic antagonists, leaving powerhouse comic villains underused in its adaptations. This underutilisation has left both comic-book purists and casual filmgoers alike wanting more substance from these legendary bad guys. Oscar-winning talents have been brought in to portray complex, fan-favourite antagonists, only to get meagre screen time, generic motives or narrative arcs that rush them straight to the graveyard. The MCU has mishandled rogues with the potential to threaten entire phases of the franchise. From galactic conquerors to devastating god-killers, Marvel’s rogue gallery is full of wasted potential, and it’s both fascinating and frustrating. This article highlights eight villains criminally underused in the MCU, showing how their early exits felt like missed opportunities. 8 Baron Zemo — Civil War’s Brilliant Mastermind Deserved a More Consistent Role In Captain America: Civil War (2016), Helmut Zemo left an unforgettable impression by achieving the unthinkable: shattering the Avengers from within. Zemo proved himself a foe not to be underestimated, backed by Daniel Brühl’s stellar performance, which conveyed the character with quiet, terrifying restraint. Altogether, Zemo was a capable mastermind even without superpowers. In his first appearance, he turned Captain America and Iron Man against each other, instantly distinguishing himself as one of the MCU’s sharpest antagonists. However, the franchise failed to utilise him properly afterwards. He appeared in Falcon and the Winter Soldier, which was good fan service, but the series positioned him as an uneasy ally rather than a driving threat. 7 Mysterio — Spider-Man’s Master of Illusion Could Have Been an Even Greater Threat In Spider-Man: Far From Home (2019), Jake Gyllenhaal brought Quentin Beck to life with theatrical charisma, brilliantly translating Mysterio’s comic-book smoke and mirrors into high-tech holographic illusions. His clever use of illusions to trick and manipulate Spider-Man created some of the MCU’s most visually distinctive and inventive set pieces. Nonetheless, the film’s haste to wrap up Peter’s post-Endgame arc led to Mysterio’s premature demise. By killing him off in his debut outing, the MCU closed the door on any future appearances by Spider-Man’s most psychological adversary. He could have been a recurring threat, constantly thrusting Spider-Man into ingenious mind games and deception. 6 Taskmaster — Black Widow Reimagined a Fan-Favourite Assassin Beyond Recognition The Black Widow movie polarised fans because it was released after Natasha Romanoff’s death in Avengers: Endgame. Fans might have received the movie better if the character were still alive. Still, to make matters worse, the movie featured Taskmaster as an antagonist in a way that made the character unrecognisable compared with the comic-book counterpart. In the comics, Anthony “Tony” Masters is one of the publisher’s most entertaining mercenaries. He is a sharp-tongued assassin with “photographic reflexes” that let him instantly mimic any physical movement or fighting style. However, the MCU reimagines him as a silent, robotic version of the character. Taskmaster’s MCU portrayal was emotionless, taking away all the distinctive swagger that made the character a fan favourite in the comics. After Taskmaster was freed from the Black Widow programme, it was a great opportunity to flesh out the character; unfortunately, Thunderbolts unceremoniously killed her off. 5 Ronan the Accuser — A Cosmic Marvel Villain With Far More Potential In Marvel Comics, Ronan the Accuser is a complex, principled Kree warrior whose unwavering loyalty to his empire’s laws drives him. When Lee Pace was cast in Guardians of the Galaxy (2014), fans expected a formidable military zealot with real depth and a force of nature who would appear in future MCU entries. What fans got was a one-note religious extremist whose entire motivation boiled down to razing Xandar out of ancient Kree hatred. Despite Pace giving it his all, with a booming, commanding screen presence, the script failed to convey Ronan’s tactical brilliance and political nuance, turning him into a simple-minded villain and a glorified stepping stone for Thanos. 4 The High Evolutionary — Guardians of the Galaxy Vol. 3 Introduced a Villain Worth Bringing Back As the monstrous mastermind behind Rocket Raccoon’s harrowing origins, the High Evolutionary in Guardians of the Galaxy Vol. 3 (2023) quickly became one of the MCU’s most deeply despicable villains. Chukwudi Iwuji masterfully conveyed the character’s intellectual arrogance and explosive, sadistic rage. His god complex was fully on display, driven by his singular goal of forced evolutionary perfection. Iwuji’s magnetic, skin-crawling performance gave the MCU a villain that fans loved to root against. The High Evolutionary is unapologetically evil, with no redeeming qualities. This is the kind of villain that gets audiences invested in his downfall. However, the MCU left his fate ambiguous and hasn’t yet capitalised on his potential for future storylines. With the multiverse’s endless possibilities and the magnetism Iwuji brought to the role, the High Evolutionary is a rare antagonist too brilliant to leave behind after a single chapter. 3 Malekith — Thor’s Dark Elf Nemesis Was Reduced to a Forgettable Enemy Malekith the Accursed is supposed to be one of Thor’s most sadistic and formidable foes, a cruel and charismatic leader of the dark elves. However, Thor: The Dark World portrays him as a boring, one-dimensional villain. Acclaimed actor Christopher Eccleston does his best, but Malekith is ultimately one of the most forgettable villains in the MCU. His quest to use the Aether and plunge the world into darkness felt generic and disconnected from any meaningful character conflict with Thor. With no distinct personality, motives or compelling dialogue, Malekith is the poster child of generic movie villains. He was then hastily killed off, making it unlikely that he will show up in future instalments. 2 Kang the Conqueror: Marvel’s Next Thanos Never Got the Chance to Become One Positioned as Thanos’ successor, Kang the Conqueror was set to define the MCU’s Multiverse Saga. Portrayed with captivating gravity by Jonathan Majors, the time-travelling warlord was introduced in Ant-Man and the Wasp: Quantumania (2023) as an unstoppable force who had laid waste to entire timelines. Despite an imposing performance that promised a nuanced, terrifying big bad, the narrative choices crippled Kang from the start. Instead of establishing him as an apex threat, Quantumania made the mistake of having one of his variants defeated by Ant-Man and an army of giant ants in his very first film appearance. This early defeat severely eroded his sense of threat, leaving audience anticipation deflated. Combined with real-world behind-the-scenes controversies, Marvel’s grand plans for the character dissolved into thin air. Kang was stripped of his promised multi-film reign before he could ever truly threaten the Avengers. 1 Gorr the God Butcher: Christian Bale’s Terrifying Villain Deserved a Much Darker Story When Christian Bale joined Thor: Love and Thunder (2022) as Gorr the God Butcher, expectations soared. In Jason Aaron’s acclaimed comics, Gorr was a tragic, grief-stricken father who became a cosmic serial killer seeking revenge on apathetic deities. Pairing a powerhouse actor like Bale with a villain born of raw cosmic horror seemed like an effortless win. Bale delivered on that promise, commanding the screen with a gaunt, terrifying look and a haunting performance that blended visceral menace with deep sorrow. Armed with the Necrosword, his introduction felt like a genuine horror movie intrusion into the MCU. Unfortunately, Taika Waititi’s hyper-comedic tone heavily undercut Gorr’s impact. The film suffered from jarring tonal whiplash between slapstick jokes and dark psychological horror. Furthermore, audiences rarely witnessed him actually butcher gods on-screen, turning a fearsome title into a tell-rather-than-show situation. Gorr was ultimately a great villain limited by a poor script. Movie(s) Iron Man, The Incredible Hulk, Iron Man 2, Thor, Captain America: The First Avenger, ​The Avengers, Iron Man 3, Thor: The Dark World, Captain America: The Winter Soldier, Guardians of the Galaxy, Avengers: Age of Ultron, Ant-Man, Captain America: Civil War, Doctor Strange, Guardians of the Galaxy Vol. 2, Spider-Man: Homecoming, Thor: Ragnarok, Black Panther, Avengers: Infinity War, Ant-Man and the Wasp, Captain Marvel, Avengers: Endgame, Spider-Man: Far from Home, Black Widow, Shang-Chi and the Legend of the Ten Rings, Eternals, Spider-Man: No Way Home, Doctor Strange In the Multiverse of Madness, Thor: Love and Thunder, Black Panther: Wakanda Forever , Ant-Man and the Wasp: Quantumania, Guardians of the Galaxy Vol. 3, The Marvels, Deadpool & Wolverine, Captain America: Brave New World, Thunderbolts*, The Fantastic Four: First Steps, Spider-Man: Brand New Day, Avengers: Doomsday, Werewolf by Night , The Guardians of the Galaxy Holiday Special, The Punisher: One Last Kill TV Show(s) Agents of S.H.I.E.L.D., Agent Carter, Inhumans, WandaVision, The Falcon and the Winter Soldier, Loki, What If...?, Hawkeye, Moon Knight, Ms. Marvel, She-Hulk: Attorney at Law, Secret Invasion, Agatha All Along, Ironheart, Daredevil: Born Again, Your Friendly Neighborhood Spider-Man, Wonder Man, Echo, Marvel Zombies, Eyes of Wakanda First Film Iron Man First TV Show Agents of S.H.I.E.L.D.