San Diego Comic-Con took place for the first time in three years.
Insider attended the four-day event, held at the San Diego Convention Center from July 21 to 24.
From plenty of Moon Knight cosplays to clever "Star Wars" designs, here are some of the best looks.
A group of cosplayers dressed as characters from the "Harry Potter" and "Fantastic Beasts" movies, including Newt Scamander, Gellert Grindelwald, and Peter Pettigrew.
Dominic Toretto and the Mad Hatter are the duo we never knew we needed.
The Predator found a new rival in the Chainsaw Man.
This impressive Heath Ledger-themed Joker was dressed as the Dark Knight.
This Penguin cosplay looks like a spitting image of Danny DeVito in "Batman Returns."
"Moon Knight" star Oscar Isaac would probably be impressed by this cosplayer.
Moon Knight was a popular cosplay of the Con with many variations on the character.
Yet another version of Moon Knight posed for a photo with Spider-Man and Batgirl cosplayers.
This cosplayer took inspiration from Alfred Molina's version of Spidey foe Doc Ock from the 2004 movie "Spider-Man 2."
These Marvel princesses are ready for the Queen's ball.
Groot was spotted at SDCC without the other Guardians of the Galaxy,
People are already dressing up as Marvel's next big villain, Kang the Conqueror.
Fans are also ready for the upcoming "Fantastic Four" reboot, which is a few years away.
Ahead of the release of "Black Panther: Wakanda Forever" in November, a fan dressed as Danai Gurira's character, Okoye.
The "Star Wars" cosplay was extremely impressive. Just look at this Porg.
Sparkle Fett and Pride Mando are our new obsessions.
Screenwriter Christopher Canole is a Comic-Con staple in his golden "Dude Vader" cosplay, complete with samurai swords.
This Springtrap from "Five Nights at Freddy" is giving us nightmares.
These two SDCC attendees channeled their inner Austin Powers and Foxxy Cleopatra.
Dominica Jordan of Sunday Slays Cosplay dressed as "Lord of the Rings" character Galadriel.
The floral dress from "Midsommar" remains a popular cosplay.
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