Summary

The villains of theMCUhave been just as implemental in the dealership ’s succeeder as its heroes , and a few were one simple mistake away from discover victory . It makes sense that even the most powerful MCU villains have to fall behind most of the time ; otherwise , the Earth - and the franchise - would n’t last very long . However , even in licking , different antagonists from across the movies of the MCU have come shockingly close to accomplishing their goals .

Of course , a few MCU scoundrel have won- even if only temporarily . Thanos snapped away one-half of life in the world , Zemo have the Avengers to split , and Surter destruct Asgard and brought forth Ragnarok . However , this list is a few scene by from being much longer . Despite finally falling tothe powerful Cuban sandwich of the MCU , these ne’er - do - wells belike rue one impactful decision that led to their downfall .

Secret Invasion introduced G’iah as the MCU ’s new and most hefty hero , but there are several iconic Marvel baddie who could still defeat her .

Emilia Clarke as G’iah in Secret Invasion with Thanos in the MCU

10Ronan Doesn’t Just Shoot More Missiles

Captain Marvel (2019)

Ronan is n’t inCaptain Marvelfor very long , but the future Kree Accuser appears at the movie ’s end to put down waste to Earth by launch massive missiles from his fleet of ship . regrettably for him , Carol Danvers is capable to stop one of the missiles with great endeavor and , upon it ’s plosion , set off a chain response , blow up the others in the salvo . She then warn Ronan to allow for , which he does after her impressive exhibit of power .

However , it ’s clean-cut from Captain Marvel ’s struggle with one missile thathe could very easily have returned , spread his ship out around the world , and fired more at the same time and diffuse out . As herculean as Captain Marvel is , she ca n’t end simultaneous projectile launches all around a satellite . However , Ronan simply leave and , as far as the MCU has shown , never return to Earth again .

9Thanos Leaves The Avengers' Lives Up To Chance

Avengers: Infinity War (2018)

Thanos is arguablythe most brawny villain in the MCU , but one clear error inAvengers : Infinity Warundoes his temporary victory . Thanos believe that he was being fair by celebrate his press stud random , but given that he ’d present no qualms about killing to fulfil his goals earlier , it seems silly that he did n’t insure all the Avengers turned to dust . Had Thanos not had the hubris to put on his human action was lasting , it ’s unconvincing anyone else would have had the power to retroactively stop his devastating act .

8Iron Monger Ignores A Big Engineering Problem

Iron Man (2008)

Early inIron Man , Tony discovers that his suit does n’t execute well at gamy altitudes because it ca n’t handle the low temperatures of the high-pitched atmosphere . It ’s surprising enough that the Earth ’s gravid intellect does n’t guess about something as basic as temperature when it ’s already a known factor in aviation , but Obadiah Stane failing to moot the same thing with his Iron Monger case seals his lot . While the baddie survives the fall in his frozen suit , he was in a great position to kill Tony before the stumble .

7Ego Gets Cocky With Peter Quill

Guardians Of The Galaxy Vol. 2 (2017)

Peter Quill is initially gleeful when he fulfill his father , completely unmindful to Ego ’s goals of astronomic conquest . The baddie is successful in succeed over Quill and sympathise that his Word may not ab initio empathize his goals . However , he go a step too far when he reveals that he gave Peter ’s mother cancerto disembarrass himself of the worked up attachment he see as a weakness . Had he played it more cool , Ego may have been able to defeat Peter and keep him imprisoned as a living battery . However , the emotional poke of hear about his mother gave Quill the boost to take on his father .

6Kang The Conqueror Doesn’t Know When To Walk Away

Ant-Man And The Wasp: Quantumania

Ant - Man and the Wasp : Quantumaniapresents Kang ’s grand debut on the big screen , but the villain give out to carry through much . In the movie ’s final act , team Ant - Man succeed in opening move up a portal out of the Quantum Realm . After everyone but Scott move through , Kang attacks Ant - Man and then merely support there for a salutary half a minute . At that compass point , there ’s nothing stopping Kang from either take the air through the vena portae as Scott finds his bearings or doing something productive with his locomotive . Moreover , Kang has several more times to take the air through the portal out of the Quantum Realm and simply does n’t .

5He Who Remains Underestimates Loki

Loki Seasons 1 & 2 (2021/2023)

Loki ’s He Who Remainsis an interesting baddie because , when he ’s introduced , he ’s already gain ground . The Kang variance has already kill all others and established a organization working nearly flawlessly to keep other Kangs from come to power and the timeline as he go steady fit . However , his decisiveness to trap Loki in a false dichotomy of continuing his work or destroying the multiverse is a Brobdingnagian underestimation . He ’s almost right , but Loki ’s net moment of altruistic brilliance prove to be the scoundrel ’s unfastening , and He Who remain ' control of the timeline is lost .

4The Ten Rings Didn’t Actually Monitor Tony Stark

Tony Stark was utterly happy live spirit as a genius , billionaire , playboy philanthropist until his time spent as a prisoner under the Ten Rings terrorist system . While the group succeeds in attacking the tech mogul ’s caravan , it ’s a silly oversight not to pay more tending to what he ’s doing . Stark may have kept his blueprints split up , but there ’s little doubt that a skinny center would remark thatthe Iron Man Mk 1 suitwas very much not a missile . Had they been more proactive , they may not have attained their goal , but Stark would n’t have made his large escape .

3Scarlet Witch Reveals Too Much

Doctor Strange In The Multiverse Of Madness (2022)

It is n’t immediately clear that Scarlet Witch is the villain ofDoctor Strange in the Multiverse of Madness . After a hulking fiend plan of attack multiverse - traveling teenager America Chavez , Strange actually approaches Wanda for assistance . She would have likely succeeded in her goal of capturing the girls and slip her powers had she keep her cool and offered to help Strange , butshe says the name " America " before unknown does , cluing him in that she knows more than she countenance on .

2Thanos Didn’t Just Attack NYC Himself

The Avengers (2012)

Loki makes for a wonderful villain inThe Avengers , and the Thanos tease at the end of the film generated a ton of ballyhoo . However , in hindsight , it seems featherbrained that Thanos did n’t simply come to Earth himself . retaliator : Endgame shows that Thanos is more than capable of sweep over both Hulk and Thor without any Isidor Feinstein Stone , and the latter , in particular , was far weak inThe Avengersthan he ’d become inThor : Ragnarokand beyond . There ’s little doubt Thanos could n’t have used the Mind Stone and attacked Earth with ease , grabbing the Tesseract ( Space Stone ) and withdraw with nobody strong enough to quit him .

Thanos was the major scoundrel of the MCU ’s Infinity Saga , and though he might have get together his end in Endgame , his actions can still be felt in the MCU .

1Ronan Is Inches Away From Winning

Guardians Of The Galaxy (2014)

The ending ofGuardians of the Galaxyis iconic , but there ’s trivial doubtfulness thatRonan made a mammoth mistake by pausing when Quill starts dancing . Ronan had the power stone and successfully made it to Xandar , and all he had to do was move his Universal Weapon down a few inches to make contact with the ground and waste the planet . Instead , he check to ask , " What are you doing ? " founder Rocket the few moments he necessitate to fire his weapon , demolish Ronan ’s hammer , and allow the Guardians to snaffle the Power Stone . If Ronan had succeeded , the entire rest of theMCU ’s Infinity Saga would look markedly different .

thanos in infinity war and dead in avengers endgame

General Dreykov talking to Natasha in Black Widow

Close-Ups of Ronan (Lee Pace) and Scarlet Witch (Elizabeth Olsen) in the MCU

Marvel Cinematic Universe