Miles learning he was transported to a different universe (Earth 42), and not his own, at the end of Across the Spider-verse.
Plot Twist
Queen Mab that Mercutio describes in Act 1 of Romeo and Juliet is a reference to the Irish mythology goddess Mebd.
Allusion
Mr. Capulet: "Death has lain with Juliet."
Personification
The Odyssey is an action-adventure epic, Night is a historical memoir, Romeo and Juliet is a romance-drama play, etc.
Genres
Friar Lawrence and The Nurse being the mentors of Romeo and Juliet
Archetype - mentor
Romeo feeling his dream is a hint towards his later untimely death in Act 1.
Foreshadowing
In Across the Spider-verse, Miguel O'Hara telling Miles about the dangers of the canon when he tried to live in a different universe - leading to the deaths of his new wife and daughter.
Flashback
Romeo saying Juliet is a saint while he is a lowly pilgrim.
Metaphor
1. The story archetype of The Odyssey/Spider-man:
2. The story archetype of Romeo and Juliet/Night:
1. Hero's Journey
2. Tragedy
The Odyssey, and some other stories, starting off in the middle of things - not in the beginning in chronological order.
In Media Res
The invocation (beginning) of The Odyssey: "Sing to me, O Muse, of that man of many troubles Odysseus...sing to me, O Muse, and tell the story of his suffering..."
Parallel Structure
Romeo not knowing that Juliet was still alive when he drank the poison.
Dramatic Irony - tragic irony
Peter B to Miles: "You got any money on you? I'm not very liquid right now."
Idiom: Not very liquid - I don't have money.
The Nazis arriving in Eliezer's hometown, Miles being bit by the spider, etc.
Inciting Incident
TMDG, R&J, ITSV, etc.
Acronym
Night hanging scene: The placement of 2 older men freaking out over their deaths next to a little boy quietly and calmly accepting his fate.
Juxtaposition
The repeating ideas and concepts of love in Romeo and Juliet, Loyalty and perseverance in The Odyssey, and of expectations in Into the Spider-verse.
Motifs
"Didn't Andrew go to college, how did he do?"
"...Well he made an appearance..."
Euphemism
The "forbidden love" narrative decision in Romeo and Juliet and many other romance/dramas
Trope
Romeo and Juliet having to choose between their love for each other or staying loyal to their families' hatred for the other.
Dilemma
Miles telling Peter B to take a leap of faith back to his home world, just like Peter told Miles to take a leap of faith to complete his transformation into a full-fledged Spider-man.
Parallelism
The balcony separating Romeo and Juliet in Act 2 representing the larger powers of fate and circumstance dividing them because of their families/birth, etc.
Symbolism
This statement is false.
Paradox
The child suffering for the greater good of Omelas and the rest of the citizens, along with Miles having to accept his father's death in order to keep the canon and the multiverse intact.
Utilitarianism
Bevolio's calmness vs. Tybalt's aggressiveness, Miles trying to stop the canon vs. Miguel trying to keep in intact, etc.
Foils