Table of Contents

Merlin

Part 1: The Dossier: An At-a-Glance Summary

Part 2: Origin and Evolution

Publication History and Creation

Merlin's presence in Marvel Comics predates the company's official name change. His first appearance was in the Atlas Comics era, in Black Knight #1 (May 1955), created by the legendary writer Stan Lee and artist Joe Maneely. This early version was a straightforward interpretation of the classic Arthurian wizard, acting as a mentor to the original Black Knight. His formal introduction into the modern Marvel Universe was more convoluted. A character named Maha Yogi, who claimed to be the Merlin of legend, appeared in Strange Tales #134 (July 1965) as an antagonist for Doctor Strange. However, this was later retconned as an imposter or a Merlin who had been driven mad. The definitive, modern version of Merlin was established and profoundly developed by writer Chris Claremont and artists Herb Trimpe and Alan Davis throughout their seminal run on the Marvel UK title Captain Britain in the late 1970s and 1980s, and later in the pages of Excalibur. It was Claremont and Davis who transformed Merlin from a simple wizard of myth into a complex, multiversal strategist. They introduced the concepts of Otherworld, the Captain Britain Corps, his daughter Roma, and his deeply manipulative nature, cementing his place as a cornerstone of Marvel's mystical architecture.

In-Universe Origin Story

The true origins of Merlin are one of the most enduring mysteries of the Marvel Universe. He has lived for thousands of years and has offered contradictory accounts of his past, likely by design to keep both his allies and enemies off balance.

Earth-616 (Prime Comic Universe)

Merlin's history is a tapestry woven from myth, magic, and calculated deception. The most common tale of his birth claims he is a Cambion—the son of a human woman and a demon lord from a nether-realm, which would account for his innate magical abilities and extraordinarily long lifespan. However, other accounts, including his own, suggest he is a member of an ancient, pre-human race of Earth natives, possibly an offshoot of humanity akin to an Eternal or one of the very first mutants. This ambiguity is central to his character, as he embodies multiple truths at once. He rose to prominence in the 6th century, embedding himself as the court wizard and advisor to King Arthur Pendragon in Camelot. During this time, he mentored Arthur, guided the Knights of the Round Table, and battled his arch-nemesis, the sorceress morgan_le_fay. It was Merlin who orchestrated the events that led to Arthur pulling the sword from the stone and who magically reinforced the Ebony Blade, wielded by the first Black Knight (Sir Percy of Scandia). However, his activities were never confined to a single time period or dimension. Merlin discovered the existence of the Omniverse and the nexus-dimension known as Otherworld. Realizing the infinite threats posed by the multiverse, he and his daughter, Roma, established the Starlight Citadel in Otherworld as their seat of power. From there, Merlin conceived of his grandest creation: the Captain Britain Corps. He foresaw the need for a champion to defend each reality's version of the British Isles, which serves as a unique anchor point in the multiversal structure. To this end, he began testing potential candidates across dimensions, offering them a choice between the Amulet of Right and the Sword of Might. Merlin's methods are famously manipulative. He has faked his own death on numerous occasions, often placing himself in a state of suspended animation within a crystal cave, only to re-emerge when his plans require his direct intervention. He sees individuals not as people but as pieces on a cosmic chessboard, and he is willing to sacrifice any piece, including his most loyal champions like Brian Braddock, to achieve victory for the greater good of the Omniverse.

Marvel Cinematic Universe (MCU)

The Marvel Cinematic Universe presents a radically different and far more grounded version of Merlin. As of now, he has not physically appeared on screen and has only been mentioned once. In the film Eternals (2021), the Eternal Sersi is speaking with her modern-day boyfriend, Dane Whitman. When discussing the Eternals' influence on human mythology, she casually remarks, “I knew Merlin… he was just a bit of a party animal.” Earlier in the film, the Eternal Gilgamesh also confirms the existence of King Arthur and Excalibur. This brief exchange performs a significant recontextualization typical of the MCU's world-building. It suggests that in this universe, the legendary wizard Merlin was not a powerful sorcerer or a semi-divine being. Instead, he was simply a regular human who lived during the Arthurian era and was friends with the Eternals. The implication is that the “magic” attributed to him was likely a misunderstanding of the Eternals' advanced cosmic technology and powers. His legend, therefore, grew from his proximity to these god-like alien beings. This interpretation strips Merlin of his mystical origins and his role as a multiversal protector. He is not the founder of the Captain Britain Corps (which has not been introduced in the MCU) nor the Sorcerer Supreme of his age. He is, in essence, a man whose story was inflated into a myth. While future projects involving Dane Whitman's transformation into the black_knight or the introduction of captain_britain could potentially retcon this, the current MCU canon positions Merlin as a historical footnote rather than a major magical player.

Part 3: Abilities, Equipment & Personality

Merlin's capabilities vary drastically between the comics and the MCU, representing the most significant divergence between his two primary interpretations.

Earth-616 (Prime Comic Universe)

In the comics, Merlin is one of the most powerful magical beings to have ever existed, rivaling figures like doctor_strange, dormammu, and even the vishanti.

Merlin is the ultimate pragmatist. He is not driven by conventional morality but by a single, overriding goal: the preservation of the Omniverse. He is arrogant, condescending, and deeply manipulative, viewing individuals as instruments to be used in his grand designs. While he is not inherently evil, his methods are often cruel and his willingness to sacrifice others for the “greater good” frequently puts him at odds with the very heroes he empowers.

Marvel Cinematic Universe (MCU)

The MCU version's known attributes are, by comparison, non-existent.

The difference is fundamental. Earth-616 Merlin is a source of myth and power. He is the prime mover, the grandmaster playing a cosmic game. The MCU Merlin is a product of myth. He is a bystander whose story was warped by his association with more powerful beings. This change serves the MCU's tendency to explain magic and mythology through a sci-fi lens, tying Arthurian legend directly to the cosmic lore of the Celestials and Eternals.

Part 4: Key Relationships & Network

Merlin's long life and manipulative nature have led him to forge complex and often fraught relationships with allies and enemies alike.

Core Allies

Arch-Enemies

Affiliations

Part 5: Iconic Events & Storylines

Merlin's influence is often felt from the shadows, but several key storylines have brought his manipulations to the forefront.

The Jaspers' Warp (Crooked World)

Considered one of the greatest comic book stories of all time, this arc from Marvel UK's Daredevils series saw Merlin at his most ruthless. The reality-warping mutant Mad Jim Jaspers had transformed Earth-238 into a twisted hellscape. To combat this, Merlin sent his champion, Captain Britain, into this reality. Unbeknownst to Brian, Merlin's goal was not to save this world—it was already lost—but to use Brian as bait to lure out The Fury. Merlin needed to study the cybiote and understand its capabilities. He knowingly sacrificed an entire universe and nearly his own champion just to gather intelligence on a future threat, perfectly encapsulating his cold, utilitarian philosophy.

The Formation of Excalibur

Following the “Fall of the Mutants” storyline where the x-men were believed to be dead, Merlin, acting through his daughter Roma, orchestrated the creation of Britain's premier super-team, Excalibur. He foresaw a power vacuum and the need for a team to handle the bizarre, often interdimensional, threats that plagued the British Isles. By bringing together Captain Britain, Meggan, and former X-Men Nightcrawler, Shadowcat, and Rachel Summers, he created a team uniquely suited to his interests, ensuring his champion had powerful allies for the coming conflicts he knew were on the horizon.

Die by the Sword

This 1996 miniseries features a direct conflict with a twisted, fascistic version of the Captain Britain Corps led by the villainous computer, Mastermind. The event forces the Excalibur team and the Corps to confront the dark side of Merlin's creation. The storyline delves deep into the politics of Otherworld and culminates in Roma seemingly wresting full control of the Omniverse from her father's influence, though with Merlin, such “defeats” are often just another part of a much larger, unseen plan.

Part 6: Variants and Alternative Versions

Given his multiversal nature, Merlin has infinite variations, but a few stand out in contrast to the prime version.

See Also

Notes and Trivia

1) 2) 3) 4) 5) 6)

1)
Merlin's first appearance in Black Knight #1 (1955) makes him one of the oldest characters in Marvel's library to still be actively used in modern continuity, predating icons like the Fantastic Four and Spider-Man by several years.
2)
The profound development of Merlin's character by Chris Claremont and Alan Davis in Marvel UK publications is a prime example of how licensed international comics can have a massive, lasting impact on the mainline Marvel Universe.
3)
The ambiguity of Merlin's origin—whether he is the son of a demon or an ancient mutant—is often deliberately played with by writers. The Official Handbook of the Marvel Universe has listed both possibilities at different times, suggesting the truth may be a combination of both or something else entirely.
4)
The quote from the MCU film Eternals, “I knew Merlin… he was just a bit of a party animal,” delivered by Sersi, represents one of the most drastic character re-imaginings in the transition from comics to film, fundamentally changing the character's power level and significance.
5)
Merlin's official title is the “Omniversal Majestor,” a title he shares with his daughter Roma, signifying their joint responsibility for the protection and administration of all realities from their seat of power in the Starlight Citadel.
6)
In some storylines, Merlin is shown to have a third child, a son known as “The Firstborn,” a monstrous being he keeps chained in the dungeons of Otherworld.