Character mistake: Diana categorizes without a doubt Aquaman as "a mixed blood" Atlantean because Bruce tells her that he could breathe air. However Steppenwolf interrogated one of the guards from Atlantis on the ground, and he could breathe just fine.

Zack Snyder's Justice League (2021)
1 character mistake - chronological order
Directed by: Zack Snyder
Starring: Ben Affleck, Amy Adams, Jared Leto, Henry Cavill, Gal Gadot, Ezra Miller, Ray Fisher
Other mistake: After realising they can track the mother box, Batman says they have to go back to his base to use one of his satellites to track it, and they all do so. Which completely ignores the fact that Cyborg could easily access the satellite feed directly using his abilities and display it to the others on any nearby screen in Star Labs.
Suggested correction: Just because he had many options available to him, does not mean that the option which he chose was wrong.
Alfred Pennyworth: How do you know your team's strong enough? 'Cause if you can't bring down the charging bull, then don't wave the red cape at it.
Trivia: Director Zack Snyder has a cameo at the coffee shop while Lois is outside of it.
Question: I'm not a huge fan of DC, so I don't know much about any characters outside of Batman and his rogue's gallery. All the pictures I've seen of Steppenwolf from the comics show him to have a human appearance, with a goatee. Was his monstrous appearance in this film, and to a lesser extent the theatrical version, taken from the comics at all? If not, why drastically change the way the character looks?
Chosen answer: In the comics Steppenwolf traditionally has a very human appearance. He is tall and muscular with tan skin, black hair, and a moustache and goatee. Some of Steppenwolf's animated appearances show him essentially the same but with grayish/green skin, giving him an appearance somewhat similar to the 2017 Justice League version. According to Zack Snyder, the version of Steppenwolf in the 2021 version of Justice League was purposefully designed way back during the filming of Batman vs. Superman as not just a threat to the Justice League, but to the entire planet, hence the monstrous appearance. Warner Brothers made Snyder tone down the design because, according to him, they felt it was too frightening and intense for a PG-13 film. The version of Steppenwolf in Snyder's film has a very alien appearance, with the character's signature horns being part of his physiology rather than a part of his battle helmet, an immensely muscled physique, and covered in spiked armor.
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