A lady is chloroformed.
Size: 4.7 MB
Update: Included scans from Japanese cinemanga. Apparantly there is also a neck chop KO later in the movie with the same red haired woman.
From the newest season, episode titled "Insane in the Membrane". April is knocked out with a tranquilizer dart. Credit goes to the original capturer.
Size: 2.0 MB
Jubilee is gassed twice by a sentinel. Also check out the comics X-Men Adventures #1, Enter the X-men and X-men the manga for similar scenes.
Size: 3.2 MB