San Diego International Comic-Con kicked off Wednesday with preview night. It was definitely the busiest preview we've seen so far.
Some cosplayers started Comic-Con in full costume, and more impressive cosplay has been popping up as the convention progresses. This gallery first went live on July 19 and will be updated throughout the convention.
Let's start with this great Joker from Suicide Squad.
On top of his commitment to the character, you gotta love that incredible coat.
He also had a secret smile he wanted to share.
Apparently Deadpool likes to read about himself.
Yes, the adorable Pikachu was wandering around downtown San Diego.
That apple doesn't look too safe.
Yes, Doctor Emmet Brown was walking around the San Diego Convention Center and caught the attention of Optimus Prime.
Check out more about this cosplayer at the hashtag #DocToTheFuture.
Look who we spotted trying to get into Hall H.
Harley Quinn was looking around for the Joker among the crowd.
This Dr. Harleen Frances Quinzel opted for a more classical approach.
Kylo Ren was looking for his father. I think we need to tell Han the odds are not good for him.
This bounty hunter wanted some help from Rose to fix his ship.
These are super-hands-on cosplayers. Princess Yue has been perfecting her costume over the years and Sansa had the fabric printed to match the show.
Maybe they're heading to a party?
We've spied lots of Avengers walking around the convention center.
Yes, his walk was just as adorable as in the movie.
A great period version of Harley.
She was looking for Thanos.
We didn't have to ask for a war face.
That shield was incredible.
Where's Dutch when you need him?
Yes, Peter Parker loves CNET.
This Emperor Kuzco definitely found his groove.
This girl is on fire.
Cosplay is a family affair for this crew.
The Hulk was also looking for Thanos.
When you find Captain Planet with the perfect backdrop.
The legendary Mexican wrestler!
A great Poison Ivy.
Aloy from Horizon Zero Dawn.
Misty, Ash and Brock.
Harley Quinn is always one of the most popular cosplay figures at SDCC.
Darth Maul gender bend.
As loving as ever.
A great Widowmaker from Overwatch.
Peter Quill kept wanting us to call him Star-Lord. Funny.
Goat in hand and all.
We think she did an incredible job with her cosplay.
The cosplay attitude is always on, even on the escalator.
Of course we'd run into a demigod at Comic-Con. And you know what he said to us? You're welcome!
A stunning Diana of Themyscira. The paint on her costume was impressive and very realistic.
The Ghostbusters seemed pretty busy chasing ghosts around downtown San Diego.
And because we love tech at CNET, we had to get a closer look at their proton pack.
Leonardo, Mikey, Raphael and Donatello swing by the convention center to check out some collectibles.
Mikey's stoked to be at Comic-Con -- just like us.
Harley was looking for her Joker.
A closer look at that crazy smile.
He was searching for a new unicorn for his collection.
A great gender bend, with some extra water to fight the San Diego heat.
Don't you love that makeup? This gender-bent Carl from The Walking Dead really impressed us. Gotta love the commitment to the character.
If you're a regular at Comic-Con, you probably recognize Vader Dude and his creativity.
A complete Spidey entourage waiting to check out the DC Universe experience.
Hela, Thor and Loki didn't seem too thrilled to be stuck together in the convention center.
Those horns are mighty.
Bringing the Thor: Ragnarok flavor to Comic-Con.
Khaleesi was looking for Drogo. We told her to look for him at the DC booth.
Robin from the animated series.
Hela decided to pay Dr. Stange a visit before Infinity Wars.
The Flame Alchemist from Full Metal Alchemist.
The attention to detail on his gloves is incredible.
This made us nervous.
This scooter has become a landspeeder.
The perfect place to go across universes and make new friends.
His smile... creepy.
Yes! We love original takes on cosplay, and this futuristic Alice in Wonderland group looked awesome.
This cosplayer made her own costume, with help from her dad. Go, dad!
She designed the wings with her dad and used a laser cutter to make them.
Incredible cosplay all around.
Peter Parker used his secret identity to explore the Dead Quarters.
This whole family turned into Harry Potter characters. Did you see that Quibbler magazine?
They might be looking for some droids.
These guys transport you to the 300 movie.
Negan made sure everything was good at the Sanctuary.
That's an impressive piece of armor.
Thor from Ragnarok seems to be a fan favorite this year.
Studio Ghibli gets represented by Kiki and her delivery service.
So committed they prefer to hide their faces from the camera.
This cosplayer gave his take on Gene from Bob's Burgers.
We're big fans of cosplay that blends different universes, and this Yondu Stormtrooper was right on point.
We wonder if he can whistle.
This saiyajin decided to battle the crowds for some swag.
And we enjoyed his full costume.
This cosplayer got inspiration from the Catwoman of the animated series.
Catwoman from head to toe.
A unique type of battle that happens only at Comic-Con.