Justice League is inherently part of the plan to develop the DCEU cinematic universe, that’s why director Zack Snyder has built the script so that every detail in the film is connected and linked to previous films such as Man of
Aquaman’s weapons
When Arthur arrived in Gotham, he was equipped with armor and a trident.
Wonder Woman’s understanding
Another confusing point in the movie is that when Wonder Woman recounts the story of Earth’s first battle with the Apokolipans to Bruce, Steppenwolf is not there, nor does his name appear in the temple complex on Crete.
Is Superman’s human identity still a secret?
After Superman’s resurrection, while fighting the League, Batman called him `Clark` in front of every police officer and soldier.
Cyborg is a hacker
Silas made it very clear in the 2021 film that Cyborg can penetrate any satellite or digital platform in the world, this is shown through his adjustment of the financial system to help people.
Superheroes choose to stay out of the fight
Clearly, Diana knew that the way to win against Apokolip in the first war was solidarity between ethnic groups, between humans and the old gods… However, she did not mention that she would gather more people from the Amazon tribe to fight.
Martian Manhunter appears
Martian Manhuter came to Bruce to ask to join the alliance, he also promised to help his teammates at any time.