Merlin knocks out most of the heroes standing against him. Source: ComicOnlinefree.com

Zodiac knocks out Skye. Source: ComicOnlinefree.com

Leia is stunned unconscious by stormtroopers. Source: readcomiconline.to

Yankee Girl is KO'd and awakens.

After using her powers the first time, Equinox faints. Source: ComicOnlinefree.com

Hellcat captured by mandrill's femforce Source: Readcomic online

All of the fantastic four drugged and hypnotized by doctor Doom Source: Readcomic online

After surviving a plane crash, Van Helsing faints from exhaustion. Source: ComicOnlinefree.com

Jasmine knocks out Mystere. Source: ComicOnlinefree.com

Captain Marvel knocks out She-Hulk. Source: ComicOnlinefree.com

The supervillain Star falls unconscious after Captain Marvel rips out her Power Siphon. Source: ComicOnlinefree.com

Captain Marvel finds the Kree Minerva unconscious and hanging in chains and brings her to Tony Stark. Source: ComicOnlinefree.com

Captain Marvel is hit on the head by falling debris and falls unconscious. Source: ComicOnlinefree.com

She-Hulk falls unconscious after suddenly losing her powers after jumping through a portal onto Roosevelt Island which is currently surrounded by a radioactive bubble. Source: ComicOnlinefree.com

Jean Grey is seen unconscious during the first battle of the second superhero Civil War. Source: ComicOnlinefree.com

Whisper (Diane Young) is given a drugged drink and then an injection to knock her out.

While posing as a prostitute, Evangeline is drugged and kidnapped.

A nurse tries to chloroform another nurse. (This scene is from a french translation of an italian comic.)

This contains three knock outs of the heroine from Image's Tasty Bullet. 1) A blow to the head. 2) An injection. 3) A drugged drink.

The fallen hero Doc Justice takes out most of the Runaways. Source: ComicOnlinefree.com