The best cosplay outfits from San Diego Comic-Con 2019 so far

From Marge Simpson to Stranger Thing's Steve, cosplayers are out in force

Cosplayers are dressed as Captain America and Groot. AFP

Attendees dressed as characters from the Pennyworth series pose for pictures outside the San Diego Convention Center. EPA

Aubrey Heringes, left, and Brennan Lin, are dressed as Jean Gray and Cyclops from the X-Men wedding scene. AP Photo

Amanda Laguna, of Laguna Beach, as as Gamora from "Guardians of the Galaxy." AP Photo

Fatima Varela, of Chula Vista California, is dressed as Hermione Granger. AP Photo

Angel Castillo, of Temecula, California, is dressed as Reaper from "Overwatch" mariachi edition. AP Photo

Paul Primose, left, and Joyce Primose, of San Diego, are dressed as characters from "Star Wars." AP Photo

A cosplayer is dressed as Deadpool. AFP

A cosplayer is dressed as Captain Marvel. AFP

Peter Vasquez, of San Diego, is dressed as El Cucuy, the Mexican Boogeyman. AP Photo

Jude Albright, left, and Alexander Albright portray Dream and Death from the DC comic book series "The Sandman". AFP

A cosplayer as Pennywise the Dancing Clown from It. AFP

Nicholas Young from Kansas City, Kan, dressed as "Steve" from "Stranger Things Season (Photo by Christy Radecic/Invision/AP)

From left: Jake Storey, Gerard Shen, Dante Thompson and Mitch Borgstrom portray Marge Simpson from "The Simpsons". AFP

Cosplayers portray characters from "Mortal Kombat". AFP

Cosplayer Devan Blake is dressed as Valak from "The Conjuring". AFP

A cosplayer is dressed as Spock. AFP

Cosplayers are dressed as Hook and Tinkerbell. AFP

Syao Jordan, from San Diego, California, is dressed as "Aymeric de Borel" from Final Fantasy 14. AP Photo

From left: Kevin Morra "Mirage," Louisette St. Fort "Bangalore", Gabrielle Zverina "Watson" and Chris Guidotti "Bloodhound" from Toronto pose as characters from Apex Legends. AP Photo

Kezia Chuaqui, from Austin, Texas, is dressed as "Magik" from X-Men. AP Photo

Bruce Stedwell, of Lake Havasu, Arizona, is dressed as "King Leoric" from Diablo 3. AP Photo

Cosplayers portraying Batman and the Black Widow strike a pose in the street outside the San Diego Convention Center. AFP

Matthew Morningstar from Tucson, Arizona, is dressed as the Joker. AP Photo

Cosplayer John portrays Tenzin from "Avatar: The Last Airbender". AFP

Cosplayers David Tracy, right, and Hayley Tracy portray Dick Tracy and Breathless Mahoney. AFP

Attendees portray Judge Dredd. AFP

Kenny Mittleider as "Samwise", David Baxter as "Gandalf" and Hayley Smith as "Galadriel" of Los Angeles, from the Lord of the Rings. AP Photo

A dog dressed as Gandalf from The Hobbit and The Lord of the Rings sits outside the San Diego Convention Center. AFP

Dogs dressed as Darth Vader and Yoda from "Star Wars" outside the San Diego Convention Center. AFP

A cosplayer attends the 2019 Comic-Con International. AFP

Comic books fans from around the world are descending on California this weekend as the San Diego Comic-Con gets underway.

The event is one of the largest Comic-Cons in the world, drawing hundreds of thousands of visitors each year. This year marks the 50th anniversary for the SDCC, and the event celebrated the milestone with a special guest appearance from Tom Cruise, who dropped the trailer for the new Top Gun: Maverick film, due out in 2020.

SDCC 2019 will be hosting a number of panels across the weekend, with talks from stars of The Walking Dead, Rick and Morty and The Witcher.

As has become tradition at Comic-Con events, many people have been attending in their best cosplay outfits, and this year they really have pulled out the stops.

From classic comic book heroes to characters from Stranger Things, scroll through our gallery above to check out all the best outfits from SDCC 2019 so far.