Spider-Man: Return to the Spider-Verse

 is an American CGI-animated action-adventure superhero film based on ' by and serving as a sequel to ', being directed by Bob Persichetti,  and. It is produced by, Marvel Animation and Sony Pictures Animation and distributed by Columbia Pictures, being released on July 15th, 2021.

Summary
Set several months after the events of Into the Spider-Verse, Gwen Stacy finds out that Morlun plans to conquer the Spider-Verse by planning to launch a powerful weapon that allows him to turn the Spider-Verse into a great empire and turning the Spiders into his own slaves. With the help of Prime Peter and Miles, but without the rest of the Spider-Squad, Gwen has to count with new members and to join forces with them to stop Morlun's plans and restore the Spider-Verse its normality.

Full plot
The film begins with Gwen breaking into a sewer system, revealing that her dimension's Kingpin is planning on selling numerous weapons. She then begins an assault taking down the TBD.

Under construction...

Voice cast

 * Hailee Steinfeld as Gwendolyne "Gwen" Stacy/Spider-Woman, an alternate version of Gwen who was bitten by a radioactive spider instead of Peter and becomes the heroine of her dimension as she leads the Spider-Squad to take down Morlun and other dimensional villains.
 * as Peter Parker/Spider-Man, the Prime version of Spider-Man who continues his quest to save the Spider-Verse by reforming the Spider-Squad as he slowly restarts his relationship with his ex-wife MJ.
 * as Miles Morales/Spider-Man, an African/Hispanic American teenager who became the Spider-Man of his dimension after his dimension's Peter died and once more attempts to TBD.
 * Oscar Isaac as Miguel O'Hara/Spider-Man 2099, a Hispanic American vigilante hailing from the future who helps the Spider-Squad to protect the multiverse from Morlun.
 * as Lyla, Miguel's AI assistant who helps him to TBD.
 * as Hobart "Hobie" Brown/Spider-Punk, an African American foul-mouthed teenager who becomes an anarchist after being bitten by a spider affected by toxic waste and TBD.
 * Sophie Turner (MJ) and Emily Blunt (Supreme Spider) as Mary Jane "MJ" Watson/The Supreme Spider, a darker version of MJ who became a violent and insane vigilante and barely caring about the safety of other people, reluctantly aiding the Spider-Squad to protect the Spider-Verse and TBD.
 * Miranda Cosgrove as Harriet Parker/Mecha-Spider, Peter and Gwen's daughter in an alternate dimension where Gwen didn't die and continues her father's legacy by becoming a superhero like him and uses an energy-powered suit.
 * Emma Watson as May Reilly/Lady Spider, a young woman who after being bitten by a spider, develops wooden spider legs and an understanding of animals, aiding the Spider-Squad in taking down Morlun.
 * Dylan Minnette as Peter Parker/Spider-Man (Irresponsible), an alternate Peter who never learned responsibility, trying to be a hero at the cost of TBD.
 * Johnny Depp as Morlun, an interdimensional being who has achieved to travel TBD.
 * Anna Camp as Avery Chance/Syren, a siren-inspired vilainess in the Prime dimension who has alligned with Morlun to TBD.
 * John Michael Higgins as President Norman Osborn, the President of the United States in Hobart's dimension who develops a TBD.
 * as Kron Stone/Venom 2099, Miguel's older half-brother who gains a symbiote that turns him into a vicious monster who is out to destroy him and TBD.
 * Charlie Day as Harold "Harry" Osborn/Blood Goblin, the Harry Osborn of Harriet's dimension who became thirsty for killing Peter after he was partially responsible for his father's death, using a special armor to hunt and kill her.
 * as Matt Murdock/Kingpin, an alternate version of Daredevil who is his dimension's Kingpin and TBD.
 * Sabrina Carpenter as Gwendolyne "Gwen" Stacy/Massacre, TBD
 * as Norman Osborn/Green Goblin (Lady Spider), TBD
 * Zendaya as Janice Lincoln/Beetle, TBD
 * Zoë Kravitz as Mary Jane "MJ" Watson, Peter's ex-wife in the Prime dimension who Peter tries to keep safe, eventually ending up to restart their relationship.
 * Jeff Goldblum as J. Jonah Jameson, the retired editor-in-chief of the Daily Bugle in the Prime dimension who still continues his rants about Spider-Man by using an online podcast.
 * Tom Hanks as Capt. George Stacy, Gwen's father who appears to TBD.
 * Lucy Liu as Det. Yuri Watanabe, a police detective who alligns with the Spiders to TBD.
 * Anna Faris as Kristen "Kris" Morrison/Spider-Rebel (cameo), TBD
 * Kate Winslet as Alexis Munday/Deadly Bat (cameo), an immortal teen girl that was raised in a family of assassins, which she turned against.
 * Julie Andrews as Cassandra Webb/Madame Web (cameo), TBD
 * as Peter Parker/Wolf-Spider (cameo), a villainous Peter who TBD.

Logo variations

 * Sony/Columbia Pictures: the 2013 variant of the 1993 logo plays normally.
 * Marvel Animation: the 2012 variant of the 2002 logo plays normally.
 * Sony Pictures Animation: the 2018 logo is shown covered in webs.

Transcript
See /Transcript.

Quotes

 * Peter: Guys, we got a problem...
 * Gwen: What kind?
 * Peter: The villain we are about to fight... can control minds...
 * Miles: Wow... that's creepy. Super creepy.
 * Peter: We have a serious problem ahead! Focus!

She then has hallucinations about her accidentally killing Peter as Peter has hallucinations about the Green Goblin killing Gwen.
 * Harriet: Hello there, father.
 * Peter: Father?! Listen, miss, I'm divorced and I'm sure I have no kids. Well, save for that time I don't want to talk about.
 * Harriet: Lemme explain. I'm your daughter in a future where Gwen is alive and... she's my mother.
 * Gwen: (gasps surprised) Me... and Peter?
 * Harriet: Are you okay?
 * Gwen: It's just... (sighs) I don't want to talk about it.
 * Harriet: Why so?
 * Peter: In our universes, one or the other had died.
 * Harriet: (gasps shocked) Oh... I understand. Didn't think of that.

Peter approaches MJ. She grabs him and kisses him.
 * Peter: MJ, are you alright?
 * MJ: (chuckles) Face it, tiger, you just hit the jackpot.

Trivia

 * When Peter mentions about an event he doesn't want to remember, it's hinted to be his affair with Syren against his will that resulted in the conception of White Spider.