Harley Quinn gets chloroformed twice. Scene is a bit violent though.

Alice is knocked out with chloroform. Keywords: masked scarecrow, hospital, fire, flames. Contributed by ProjectX.

Sela and a heroine named Samantha Darren are fighting this multi armed dragon monster. The monster knocks Samantha into a sign, rendering her unconscious. After the fight is over, Sela goes over and wakes Samantha up.

Kobra sprays Katana with some kind of gas. It weakens her enough so that she cannot escape an exploding ship. A girl who has "light" based powers rescues Katana though.

Rogue wakes up in a facility where they do experiments on mutants. She meets other mutants and they decide to hatch an escape plan. Rogue manages to absorb the powers of another female mutant named Milly. Milly has the ability to liquify her body. After Milly's power is absorbed, she faints unconscious.

Harley Quinn discovers an unconscious Lois Lane in a plane wreck.

Jean Grey (Marvel Girl) and Grifter (Cole Cash) rescue Zealot. There's some good fight scenes and peril. Marvel Girl is knocked unconscious, and Zealot is shown bound to some device.

A sexy jungle girl named Ivory is running away from and fighting some lizard warriors. The story indicates she put up a fight, but ends up getting overwhelmed and knocked unconscious. One of the panels shows Ivory being dragged unconscious. Very nice art! The rest of the comic is very adult oriented in nature.

A comic drawn by Ryan Kinnaird. Bounty Hunters Risa and Symattra are waiting for their contact in a bar. They meet the person, but end up getting gassed to sleep. They wake up chained up. There's another scene later on where Symattra faints after using a powerful energy spell.

Kitty Pryde is running through the X-Men mansion, and finds Storm, Colossus and Nightcrawler unconscious. Turns out the whole thing was a training simulation. http://readcomiconline.to/Comic/Wolverine-First-Class/Issue-21?id=64487

Story title: "Mechanical Gods" Bombshell Hawkgirl is knocked out in a blast.

A variant cover for Zenescope's Grimm Fairy Tales #23. It depicts a sexy Snow White sleeping with the Dwarves looking at her.

Wonder Woman holds Wonder Girl unconscious in the air, with one arm. So strong!

A trade paperback cover, published in 2006. Source: http://dc.wikia.com/wiki/Teen_Titans:_Life_and_Death_(Collected)

Cover from the April 2017 issue of Justice League of America #4. Some heroes are unconscious on the bottom of the cover. Art by Joe Prado, Ivan Reis

Jean Grey ends up in the vacuum of space. She can't breathe, and faints. Angel catches her and brings her to safety.

Amazing issue where Jean Grey appears unconscious on multiple panels. The cover shows The Beast carrying an unconscious Jean Grey.

Elektra and Cyblade confront the villain Heatwave. Heatwave surrounds Elektra in a cell made of flames. Heatwave then knocks out Cyblade with a head KO. Cyblade wakes up in chains.

Mephisto knockouts Elektra. We get a very nice full sized page showing her unconscious.

Story title: "The Drained Brains Caper". Thirteen year old Megan Yamamura has just arrived at a new school in Chicago. Things seem kind of weird there, and soon she uncovers the evil plans of Doctor Vorschak. She visits the Doctor's office and things are already pretty suspicious. The doctor tricks Megan and i...