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Justice League Fan Theories That Actually Make A Ton Of Sense

Updated August 4, 2021 114 votes 26 voters 1.4k views15 items

List RulesVote up the theories that make total sense.

When it comes to comic book superhero teams, the one that's been around the longest, in one form or another, has picked up quite a few fans over the years. The Justice League consists of some of the most powerful characters from all of DC Comics. When you combine power into a team capable of defending the entire universe, you're going to end up with some pretty interesting fan theories.

Every so often, fans will take their theory to the FanTheories subreddit to share their thoughts and ideas behind Superman, Batman, Wonder Woman, and all the rest. Some of those fan theories actually make a lot of sense, and the best of them have been compiled here. Take a look at them down below, and if you find a fan theory that makes you think twice about something related to the Justice League in comics, video games, cartoons, or film, be sure to give it an upvote before you go!

  • 1

    Batman Has Another Rule As Important As His 'One Rule'

    From Redditor u/dvdhound79:

    So for most of the modern comic book iteration of Batman, his rule is no guns... no killing. But I’ve noticed in the animated series and the Rockstar game series, he also does not call the villain by their villainous moniker.

    I believe this is a way to connect with any possible humanity left in his opponents. He calls Penguin, Cobblepot, Two-Face, Harvey, or Dent... Poison Ivy, Dr. Isley, or Pamela... he only calls Joker by the only identity he has. Ultimately, I feel like Batman has an almost unshakable hope. Hope that someday, all these “villains” can be rehabilitated. Which is why he wants to trust in the system.

    Believable fan theory?
  • 2

    Kryptonians Shackled Themselves To Krypton Out Of Fear Of A Doomsday Mutation

    From Redditor u/Gaalsien:

    After watching Man of Steel, I was left with the obvious question of 'why don't Kryptonians exist outside their solar system?'. Why do they shackle themselves to a planet with a sun and atmosphere that is literally poison to them, especially when it is shown that they had colonies at one point, though these colonists have all since died. Did they just voluntarily withdraw to a backwater hellhole of a world, rather than enjoy a galaxy of superpowers? This seems odd. Seems like bad writing.

    Then in Batman v Superman, when Lex attempts to create a mutated Kryptonian, the computer warns 'Action forbidden - it has been decreed by the council of Krypton that none will ever again give life to a deformity so hateful to sight and memory - the desecration without name.'

    This clearly indicates that a Doomsday-like entity has occurred before, most likely through mutation, and presumably caused such destruction that anything risking the creation of another such being was forbidden. This potentially sheds light on why all Kryptonians are generated from the Codex, which appears to be a repository of DNA from an ancient ancestor - doing this would ensure that the gene pool never strays too far, that genetic drift never moves them away from baseline Kryptonian stock into mutant, Doomsday-ey territory. This is why natural Kryptonian conception is HERESY, as the random mixing of genes could potentially create an unstoppable monster.

    My theory is that, at one point in the distant past, the Kryptonians had a decent interstellar empire, expanding and colonizing yellow-sun worlds with access to their full Kryptonian capabilities, and reproducing naturally, until eventually, one or more Doomsday mutants started to be born. As shown in BvS, Doomsday just gets more and more powerful the longer it is alive. Assuming they have all of Superman's powers dialed up to 11, they are capable of flying in space, potentially becoming a roving, interstellar threat. Before long the empire would be beset by unbeatable monsters destroying colonies left, right, and center.

    The last Kryptonians retreated to the only place the monsters couldn't go - Krypton. The red sun would drain the Doomsdays' powers the moment they entered the star system, and the atmosphere would render them weak to their weaponry. The codex was set up to regulate births and the population indoctrinated with a fear of leaving the planet (even in the face of certain destruction) as doing so might risk luring this mutant threat to Krypton. Eventually, the Doomsdays died off but by that point, Kryptonian civilization had turned too stagnant and fearful to venture out again.

    TL;DR: The threat of Doomsday mutation shackled Kryptonians to a dead planet and stagnated their society

    Believable fan theory?
  • 3

    John Stewart Realized He Is A Fictional Character In 'Justice League Unlimited'

    From Redditor u/BruceWaynesWorld:

    In the season one episode "Legends" of the Justice League there's an episode when in a fight with a giant robot, Green Lantern, Hawkgirl, Flash, and Martian Manhunter get sucked into an alternate dimension.

    While there it comes to light that in the world they're in there exists a similar team of super-heroes "The Justice Guild". Then Green Lantern reveals that the characters they're interacting with are comic book characters. Characters whose adventures he'd follow in comic books that he read as a kid.

    As the plot thickens we see strange things happening. Really cheesy set pieces like a van of TNT heading towards a bus full of nuns. Then Hawkgirl discovers that all the members of the Justice Guild are supposed to be dead. John starts to discover that bits of the universe don't quite hold together. Library books are blank, the milk van never stops and whenever anyone comes too close to the truth, strange things happen "nuns and TNT."

    When John starts to ask too many questions they get a call from the chief of police because a giant robot is attacking the city. In the end, it turns out that after the death of the heroes a young boy mentally recreated the town and it was all in his imagination.

    But the clincher is this: the thing that really tipped John off was the giant robot. Remember how the episode started? A Giant Robot was destroying Metropolis. Maybe fallacies in the alternate dimension had made John see that things in his universe didn't always hold together either. Maybe he realized that if the heroes he read about in comic books could be fictional and still interact with each other, it was possible that he too was just ink on paper. At the end of the episode, he is quiet and despondent.

    My diagnosis: John from the Justice League has figured out that he is a fictional comic book character. He doesn't kick up a fuss or start singing it from the rooftops because figuring it out and being vocal about it was what tore the fabric of the Justice Guild's universe apart.

    Believable fan theory?
  • 4

    Wonder Woman Didn't Take Part In WWII Because She Prevented It From Happening

    From Redditor u/Skjoldbro:

    When describing the return of Ares, it was said that there would be a war that would engulf the whole world, and kill mankind. While WWI is a pretty good choice, one can only think that WWII would be a better choice. WWII was broader, more violent, and not to forget; the holocaust. If anything, that would be better motivation for Diana.

    Furthermore, if you had to point to one guy in the 20th century, that could be called the most violent and evil person in the world, almost everyone would choose Hitler, a better choice for Ares. So why didn’t the movie? To me, it seems like the obvious choice. The simple answer: WWII didn’t happen. The most important clue for that is the villain of this movie, Erich Ludendorff. Ludendorff was partly the reason that Hitler came to power in the Nazi party and persuaded him to run for president.

    So when one of the most prolific persons, to support Hitler dies, much of his original support will not exist. Furthermore, when killing the War council, Ludendorff killed the future president of Germany, Paul von Hindenburg. Hindenburg was even more instrumental in the rise of Hitler, due to his leadership and bad health, he caused much of the instability in Germany, that enabled Hitler to come to power, and he signed both Reichstag Fire Decree and Enabling Act, removing the opposition for Hitler and giving him greater power. So with these variables removed, it is quite possible that Hitler never came to power or even had the chance.

    Believable fan theory?