A woman is bound and gagged by some goons.

A villainess named Badgal is knocked out, and then bound and gagged with duct tape.

Two female assassins are knocked out and bound and gagged. Art by Amanda Conner.

Lois Lane is knocked out by some thugs. They later bind and gag her.

Light Lass is ambushed and KO'd. Added as requested. Source: Comic

It's Hope Summers vs Scarlet Witch and when the fight appears to be ended in a draw, Hope sucker punches Scarlet Witch to win the fight.

Cinnamon and her friend are hit in the head and carried OTS into a mine

Marvel Girl and Grifter are attacked by Pike and Mr. Sinister.

"What If Storm had the power of the Phoenix?" Jean Grey is knocked out before the X-Men get to the shuttle, so Storm pilots it instead.

Madame Masque is bound and gagged by Kate Bishop, who steals her costume in order to impersonate her.

Couldn't find this one on here, but I may be wrong. Wonder Woman is zapped in her inner ear with a mind controlling devise that makes her believe she's in combat with a deadly opponent...some nice unconsious pics.. Source: blog

Amanda Waller falls unconscious from some poison rain by the Joker.

I thought this was a nice cover, which depicts Blackfire choking her sister Starfire.

Cover of trade paperback, releases in 2013.

Victoria Hand is carried unconscious by Captain Marvel. Later on she is awakened by Doctor Strange.

Poison Ivy and Batman are knocked out. Ivy through electricity, Batman through gas. Someone hired by the Penguin carries Ivy over the shoulder.

Katana (referred to as Tatsu-San here) is kidnapped by some Japanese mafia guys. She's tasered and injected at the same time.

Pretty sexy scene involving Flare being put to sleep via some magic spell. She is put in bed and has her costume removed.

A girl vigilante named Bandette sneaks into a van and gasses a bunch of bad guys to sleep.

An angry political crowd surrounds a female agent. Someone in the mob knocks her out with a wooden stick. She wakes up at Stonehenge.