A major plot point of the film is The Eye, the society to which the Four Horsemen are trying to prove themselves. The establishing shots of London very prominently feature the city's large Ferris wheel, known as the London Eye.
When Dylan enters Thaddeus' jail cell, music can be heard in the background. Fitting the film's overall revenge and vendettas themes, the song is "Der Hölle Rache kocht in meinem Herzen" (The Revenge of Hell Boils in My Heart), from Mozart's opera The Magic Flute.
In the first movie, J. Daniel Atlas had long black hair. In this film, Atlas has very short black hair, due to Jesse Eisenberg's participation in Batman v Superman: Dawn of Justice (2016), where at the end of the movie, Lex Luthor's hair is shaved off, to be completely bald, when he is sent to prison.