The concept of Marvel's Cosmic Entities is inextricably linked to the boundless imagination of artist and writer Jack “The King” Kirby, with foundational contributions from writer Stan Lee. During the Silver Age of comics, Kirby sought to expand the Marvel Universe beyond street-level crime and Cold War allegories. His work on Fantastic Four became the primary vessel for this cosmic expansion.
The introduction of Uatu the Watcher in Fantastic Four #13 (April 1963) was the first hint of beings operating on a higher plane. However, the true genesis arrived with the “Galactus Trilogy” in Fantastic Four #48-50 (March-May 1966). With galactus and his herald, the silver_surfer, Kirby and Lee introduced a being not of pure evil, but of cosmic necessity—a force of nature. This storyline established the template for cosmic beings: immense power, alien morality, and a function within the universal order.
Kirby further developed this cosmic pantheon in titles like Thor, introducing the celestials as mysterious, god-like space titans, and in his own solo work, like 2001: A Space Odyssey, which would later be integrated into Marvel continuity. Writer-artists like Jim Starlin would later build upon Kirby's foundation, introducing characters like thanos, adam_warlock, and the personifications of abstract concepts like death, eternity, and infinity, particularly in his Captain Marvel and Warlock series in the 1970s. These stories culminated in the universe-defining event, the_infinity_gauntlet, solidifying the cosmic hierarchy as a central pillar of the Marvel mythos.
The origin of the Cosmic Entities is the origin of the Marvel Multiverse itself. It is a story of cosmic genesis, unimaginable power, and the birth of concepts that define reality.
Before all realities, there was only a single, sentient, and omnipotent being—the First Firmament. It existed in solitude. The creation of the celestials by this being marked the first schism. The Celestials desired a dynamic, evolving universe with life and death, a concept abhorrent to the static perfection of the First Firmament. A war erupted, shattering the First Firmament and giving birth to the Second Cosmos, and with it, the Multiverse. This new Multiverse was a place of infinite potential. From its creation, the abstract concepts that govern it took sentient form. This “Great Event” saw the emergence of the core Cosmic Entities:
Above these core abstracts sits The Living Tribunal, a tripartite being of infinite power tasked by the supreme creator, The One Above All, with safeguarding the Multiverse from cosmic imbalance. Its existence is to maintain the mystical equilibrium across all realities. This entire structure forms a complex, layered pantheon where each entity serves a purpose, from the conceptual (Eternity) to the functional (Galactus).
The MCU's cosmic origins are presented more concretely and have been revealed gradually over multiple films and series. The core genesis story revolves around the six Infinity Stones. As explained by The Collector in Guardians of the Galaxy (2014), before creation itself, there were six singularities. Following the Big Bang, these singularities were forged into concentrated ingots—the Infinity Stones (Space, Mind, Reality, Power, Time, and Soul).
It is revealed that four primary Cosmic Entities existed at the beginning of this universe who created these stones: Death, Entropy, Infinity, and Eternity. This is a slight deviation from the comics, combining some concepts and introducing Entropy as a distinct prime entity.
The MCU's most visually prominent entities are the celestials. As detailed in Eternals (2021), the Celestials are ancient, armored beings of immense size and power who predate the known galaxy. They are responsible for creating suns, planets, and life across the universe. Their purpose is to cultivate sentient life on host planets to generate enough energy for a new Celestial to “emerge” from the planet's core, a process that destroys the host world and its civilization. Arishem the Judge is presented as their prime figure, responsible for overseeing this cosmic cycle of creation and destruction.
Eternity was given a physical, accessible form in Thor: Love and Thunder (2022). Located at the center of the universe, it is depicted as a silent, wish-granting nexus within the “Altar of Eternity,” where the first being to reach it is granted a single, omnipotent boon. This is a significant functional change from its comic book counterpart, which is the literal embodiment of the universe itself rather than a separate entity within it. The Living Tribunal has also been visually referenced, with a statue of its three-faced head seen in Doctor Strange in the Multiverse of Madness, confirming its existence within the MCU's cosmology, though its role remains undefined.
The Cosmic Entities are not a single, homogenous group but exist in a complex and often shifting hierarchy of power and influence. Understanding this structure is key to comprehending the scale of the Marvel Multiverse.
Doctor Strange in the Multiverse of Madness. Its staff, the “Staff of the Living Tribunal,” was also an artifact wielded by Karl Mordo in the first Doctor Strange film. This suggests the entity exists or existed, but its current status and role are unknown.These four entities represent the most fundamental aspects of existence.
Black Panther or Valhalla in Thor: Love and Thunder). Thanos's motivation in the MCU was shifted from courting Death to a utilitarian belief that culling half of all life was necessary for cosmic balance, a significant change that removed the personified entity from his story. Oblivion is not mentioned.Fantastic Four: Rise of the Silver Surfer (which is not part of the MCU), where he was portrayed as a giant, non-humanoid cosmic cloud, a depiction that was widely criticized by fans. His eventual introduction in the MCU is highly anticipated, likely tied to the upcoming Fantastic Four film.Eternals, they are the creators of galaxies and are responsible for the creation of the Eternals and Deviants. The MCU version establishes a specific lifecycle: Celestials seed planets with life to cultivate enough energy for a new Celestial to be born from the planet's core, destroying it in the process. Known Celestials include Arishem the Judge, Jemiah the Analyzer, and Ego the Living Planet (from Guardians of the Galaxy Vol. 2), who was a Celestial that took planetary form. The severed head of a Celestial also forms the mining colony of Knowhere.Guardians of the Galaxy Vol. 2, listening to a story from a Stan Lee informant. The concept was fully explored in the animated series What If…? where the protagonist and narrator is The Watcher, voiced by Jeffrey Wright. This version of the Watcher, named Uatu, initially holds to his oath but is eventually forced to break it to assemble the “Guardians of the Multiverse” to fight an Infinity Stone-powered Ultron who threatens all realities.Beyond the sentient entities, the Marvel Universe is governed by powerful, quasi-sentient forces and concepts that can be wielded by others.
The Power Cosmic is the vast source of cosmic energy wielded by Galactus. It is a fundamental force of the universe, allowing for the manipulation of matter and energy on a galactic scale. Galactus can imbue a fraction of this power into his heralds, granting them abilities such as interstellar flight, energy projection, and matter transmutation. The Silver Surfer is the most famous wielder of a fraction of the Power Cosmic. To wield its full measure is to be on par with the most powerful cosmic beings.
The Phoenix Force is an immortal and immutable manifestation of the universal force of life and passion. Born of the void between states of being, it is a child of the universe and a nexus of all psionic energy that has, does, and ever will exist. It is a force of creation and destruction, often using hosts to carry out its purpose. Its most famous host is the X-Man jean_grey. When bonded with a host, it can grant unimaginable power, but its fiery and passionate nature can often overwhelm the host, leading to immense destruction, as seen in the infamous Dark Phoenix Saga.
A concept central to the Celestials' purpose in both the comics and MCU. The Great Filter is a theoretical barrier that prevents civilizations from advancing to a certain point. In the Marvel Universe, this is not just a theory. The Celestials act as a literal Great Filter, judging and culling civilizations. In the MCU, the “Emergence” is a form of this, where a civilization's ultimate purpose is to fuel the birth of a Celestial, thus “filtering” them from progressing further.
The Cosmic Entities are often the prime movers or ultimate arbiters in Marvel's most significant, universe-shaking storylines.
Arguably the most famous cosmic event. Driven by his nihilistic love for Lady Death, Thanos of Titan gathers the six Infinity Gems (as they were called in the comics) and mounts them on his gauntlet. With a snap of his fingers, he erases half of all life in the universe to prove his devotion. The surviving heroes of Earth and various cosmic powers unite to stop him. The cosmic entities play a crucial role. After Thanos defeats Earth's heroes, Eternity itself manifests to challenge him, representing the universe fighting back. Thanos, empowered by the Gauntlet, defeats Eternity and takes its place, becoming the embodiment of all reality. Ultimately, it is the intervention of Adam Warlock and the cosmic trickster Nebula that defeats Thanos. The event concludes with The Living Tribunal decreeing that the Infinity Gems can no longer be used in unison, to prevent such a catastrophe from happening again.
This storyline revitalized Marvel's cosmic landscape. It begins with the “Annihilation Wave,” a massive fleet of warships from the Negative Zone led by the insectoid tyrant Annihilus. The Wave tears through the cosmos, destroying the Nova Corps and the Skrull Empire. Unlike other events, this was not about a specific artifact but a war of cosmic attrition. Galactus and the Silver Surfer are key players, as Annihilus seeks to capture them and harness the Power Cosmic to turn the entire positive-matter universe into an extension of his Negative Zone. The story elevated characters like Nova (Richard Rider) and the future Guardians of the Galaxy into major cosmic heroes. It demonstrated that cosmic threats could be more than just abstract beings, but devastating, tangible armies.
The culmination of years of storytelling, Secret Wars involved the total collapse of the Marvel Multiverse. The primary cause was the actions of the Beyonders, enigmatic beings from outside the multiverse who systematically killed the Cosmic Entities in every reality, including The Living Tribunal. As the final universes—Earth-616 and the Ultimate Universe (Earth-1610)—are about to collide in a final “Incursion,” Doctor Doom, with the help of Doctor Strange and the Molecule Man, confronts the Beyonders, steals their power, and forges the remnants of all realities into a single planet: Battleworld. Doom rules this new world as God Emperor Doom. This event showcased the fragility of even the most powerful Cosmic Entities when faced with a threat from beyond their own system of reality, leading to a total “death” and rebirth of the Marvel Universe.
The concept of Cosmic Entities extends into Marvel's various alternate realities, often with significant reinterpretations.
Eternals. In this reality, Galactus was revealed to be the counter-force to the Celestials, consuming planets to destroy the eggs within and save the universe from their overpopulation.