10 MCU Characters Who Became Way More Popular Than Anyone Expected

10 MCU Characters Who Became Way More Popular Than Anyone Expected

Summary Iron Man went from a niche hero to a franchise starter with Robert Downey Jr.'s iconic portrayal.

Loki's growth from villain to anti-hero was unexpected, showcasing Tom Hiddleston's nuanced performance.

Guardians of the Galaxy took a gamble and made Star-Lord a lovable character, thanks to Chris Pratt's charm.

The MCU is filled with characters who are now iconic household names, but some of the biggest breakout heroes and villains became much more famous than most expected. Though it may be difficult to imagine now, several now-popular characters in the MCU were relatively obscure (at least comparatively to their status now) names before their MCU debuts. The movies of the MCU

10 Iron Man

From Moderately Popular To International Icon

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Tony Stark was far from an unknown before Iron Man kick-started the MCU in 2008, but he was markedly more niche and nowhere near the A-list hero with worldwide name recognition that he was today. Iron Man did headline his own animated series in the 1990s, but it was never as popular as other shows like X-Men: The Animated Series and hasn't had the same lasting cultural impact. While hopes were obviously high for Iron Man to start a franchise, few expected him to skyrocket as a character like he did.

Iron Man In The MCU First Appearance Iron Man (2008) Most Recent Appearance Avengers: Endgame (2019) Total Appearances 10

Of course, much of that success is solely on the back of the decision to cast the at-the-time risky Robert Downey Jr. as Tony. Stark was previously a more straightforward and stern businessman in Marvel Comics, but RDJ's signature wit and delivery utterly transformed the character across media. Iron Man likely would have been a success with someone else in the role due to solid effects, an effective story, and an exciting spectacle, but it's unlikely Iron Man would become one of Marvel's most iconic heroes.

9 Loki

From Standard Villain To Multiverse Hero

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Loki has been a mainstay in Thor comics for quite some time, but it's unlikely many anticipated his long-running role and wonderful character arc in the MCU. Loki's debut in Thor and later antagonist role in The Avengers was likely planned from the start, but Loki's MCU timeline from then on was almost surely in response to an incredibly public reception. Loki could have easily been a fairly two-dimensional villain, but Hiddleston's nuanced delivery brought depth to the troubled god of mischief.

Loki In The MCU First Appearance Thor (2011) Most Recent Appearance Loki Season 2 (2023) Total Appearances 7

It's saying something that headlining an Avengers movie as the main villain isn't Loki's most iconic MCU appearance. Pushing further into firm anti-hero territory in Thor: Ragnarok and going out as a hero in Avengers: Infinity War signaled growth, but the character's best content came in Loki seasons 1 and 2. Loki's meteoric rise looks obvious in hindsight, but there's another world in which he's taken to Asgard at the end of The Avengers and never featured in more than a cameo after that without Hiddleston's brilliant performance.

8 Star-Lord

An Effective Reinvention

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The MCU seemed like an unstoppable box office behemoth back in 2014, but Guardians of the Galaxy was still a huge gamble. The early MCU contained plenty of sci-fi and fantasy elements, but they were presented in a more grounded package not unfamiliar to general fans of action and comedy movies. Guardians of the Galaxy dove deep into bizarre sci-fi featuring the MCU's strangest characters to date. Moreover, changing Star-Lord from a gruff and grizzled character to the lovable goofball who appeared on screen certainly helped.

Star-Lord In The MCU First Appearance Guardians of the Galaxy (2014) Most Recent Appearance Guardians of the Galaxy Vol. 3 (2023) Total Appearances 7

Like many entries in this list, much of the character's success can be attributed to wonderful acting. Coming off his breakout role in Parks and Recreation, Chris Pratt imbues Peter Quill with earnestness and charm that may not have come through from another actor. Of course, equal credit goes to the writing and directing of James Gunn. The character's MCU future is unknown, but audiences have been promised that "the Legendary Star-Lord will return." 10 years ago, an obscure comic character played by an unproven movie star didn't seem likely to have such staying power.

7 Shang-Chi

A Neglected High Point Of The MCU Phase 4

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It's no secret that the post-Endgame MCU has struggled to develop new iconic heroes to fill in for those the franchise has lost, but Simu Liu's Shang-Chi was an instant hit with audiences. His debut movie is both funny and effective, and Liu brings natural charisma and likability to the role. There are high hopes that Shang-Chi will have a more important role in the MCU's future than he's been given in its present.

Shang-Chi In The MCU First Appearance Shang-Chi (2021) Most Recent Appearance Shang-Chi (2021) Total Appearances 1

There was no reason to think that Shang-Chi wouldn't be successful, but it's a surprise that he's become one of the most requested characters to appear again in the franchise after failing to appear in the years since his debut film. Marvel previously struggled to deliver a compelling character in Iron Fist, who shares Shang-Chi's penchant for the martial arts. However, Shang-Chi was able to showcase far superior fight choreography and wrap up the action in the wonderful story of family and mysticism.

6 Doctor Strange

Far More Popular In The MCU

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Doctor Stange was a relatively late addition to the MCU's Infinity Saga, and there was little doubt he'd be a hit. With unique magical abilities and played by the acclaimed Benedict Cumberbatch, the Master of the Mystic Arts had a lot going for him. However, few expected that he'd go on to be one of the most important characters in the MCU - especially so quickly.

Doctor Strange In The MCU First Appearance Doctor Strange (2016) Most Recent Appearance Doctor Strange in the Multiverse of Madness (2022) Total Appearances 6

Strange was an instrumental part of Avengers: Infinity War, and he seems positioned to be a crucial character in the upcoming Avengers: The Kang Dynasty. With the deaths or pseudo-retirements of several early-established Avengers, Strange is now a veteran hero in the MCU. His popularity is only set to increase if his knowledge of the multiverse proves as important as it seems in the MCU phase 6 (and perhaps beyond).

Related Doctor Strange's 10 Most Impressive Displays Of Power In The MCU Doctor Strange is undoubtedly one of the most powerful heroes on Earth, but some of his feats stand above the rest as particularly impressive.

5 Captain America

A Difficult Adaptation

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Captain America was an established and well-known hero before his introduction into the MCU, but adapting him to the big screen was an imposing proposition that came with no guarantees of success. Though Steve is often a nuanced character in the comics, pop-culture portrayals of him were often as a one-dimensional hyper-patriot, and that just isn't enough to lead a multi-billion dollar franchise. However, along with Iron Man and Thor, good acting and writing transcended these worries.

Captain America (Steve Rogers) In The MCU First Appearance Captain America: The First Avenger (2011) Most Recent Appearance Avengers: Endgame (2019) Total Appearances 8

Chris Evans was a bit of a gamble to play Steve Rogers, given his history was primarily composed of teen comedies and the divisive Fantastic Four movies of the early to mid-2000s. However, Evens immediately proved doubts wrong, bringing palpable heart and heroism to Steve. Even years after his apparent franchise end in Avengers: Endgame, Captain America remains one of the biggest on-screen superheroes ever.

4 Bucky Barnes

More Than A Side-Kick

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Bucky Barnes and his transformation from sidekick to the Winter Soldier was well-known by comics readers ahead of his MCU debut, but the character has gone on to become much more of a leading man than most people expected after Captain America: The First Avenger. The creatives at the MCU made the smart decision to take away the "side-kick" elements of pre-Winter Soldier Bucky and simply make him Steve's friend and fellow soldier. This grounded the whole story and made his apparent death and return all the more effective.

Bucky Barnes In The MCU First Appearance Captain America: The First Avenger (2011) Most Recent Appearance The Falcon and the Winter Soldier (2021) Total Appearances 8

Moreover, few expected Bucky's post-Winter Soldier story to go on quite as long (and to good effect) as it has. After becoming a valued Avenger in the fight against Thanos, Bucky's journey to atone for is past is his most compelling narrative yet. It'll likely come to a head in the upcoming Thunderbolts*, which seems to star Barnes as a team leader.

3 Wong

Side Character To MCU Connective Tissue

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Wong is Doctor Strange's assistant in Marvel Comics, so it was no surprise that he had a part to play in Doctor Strange. However, few expected that he would go on to be a major piece of connective tissue in the post-Endgame MCU. After the disappearance of Doctor Strange via Thanos' snap, Wong even became (and remains) the MCU's Sorcerer Supreme of Earth.

Wong In The MCU First Appearance Doctor Strange (2016) Most Recent Appearance She-Hulk: Attorney at Law Season 1 (2022) Total Appearances 8

This is likely thanks to Benedict Wong bringing an iconic mix of smarts, charm, and charisma to a role that could have been contained to only Doctor Strange movies. Instead, Wong has popped up across several franchises, clearly acting as a major player on the global stage. He's seen convening with heavy hitters like Captain Marvel and Bruce Banner in Shang-Chi, and he's keeping his ear to the ground with global affairs in She-Hulk and beyond.

2 Black Panther

From Well Known To Truly Iconic

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Black Panther Where to Watch *Availability in US stream

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buy Not available Not available Not available Director Ryan Coogler Release Date February 16, 2018 Cast Chadwick Boseman , Lupita Nyong'o , Letitia Wright , Angela Bassett , Winston Duke , Michael B. Jordan , Danai Gurira , Forest Whitaker

T'Challa as been an important leader in Marvel Comics for decades, but that only partially translated to real-world recognition. While many could have identified the character by his iconic superhero suit, the name "T'Challa" was far from one with household popularity. It's no surprise that the character and his debut movie did well, but just how well was a bit of a surprise.

Black Panther (T'Challa) In The MCU First Appearance Captain America: Civil War (2016) Most Recent Appearance Avengers: Endgame (2019) Total Appearances 4

Black Panther earned a massive $1.35b at the global box office and remains the highest-rated MCU movie on Rotten Tomatoes with a critics score of 96%. The late Chadwick Boseman truly embodied the regal kindness of T'Challa but also infused him with subtle flaws that made him feel more real. Black Panther was an important milestone in representation, but it was also a wildly entertaining film, and T'Challa remains iconic even after his MCU departure.

1 Madisynn King

The "Y" Isn't Where You Think

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She-Hulk: Attorney at Law Release Date August 17, 2022 Writers Jessica Gao , Dana Schwartz , Cody Ziglar , John Buscema , Kara Brown , Francesca Gailes , Jacqueline Gailes , Melissa Hunter , Zeb Wells Cast Ginger Gonzaga , Jon Bass , Josh Segarra , Tatiana Maslany , Tim Roth , Renee Elise Goldsberry , Anais Almonte , Mark Ruffalo , Benedict Wong , Jameela Jamil

By all accounts, Madisynn King probably shouldn't work as a character. In She-Hulk: Attorney at Law, she's little more than a stereotype - a loud, always-a-little-drunk party girl who doesn't who's a bit too loud and packs an attitude. In another show, played by someone else, Madisynn might be quite cringy.

Madisynn King In The MCU First Appearance She-Hulk: Attorney At Law Season 1 (2022) Most Recent Appearance She-Hulk: Attorney At Law Season 1 (2022) Total Appearances 1

However, Madisynn absolutely works. Patty Guggenheim imbues the character with a difficult-to-pinpoint charm that makes her a little wholesome, a lot funny, and a pure delight. Most memorable is her instant connection with Wong and her nonchalance towards the mystical and bizarre. Madisynn proved so unexpectedly popular that she's just officially made the jump from the MCU to Marvel Comics, appearing in What If...? Venom #3.

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