The Avengers cartoon Episode 14. Wasp is led into a trap and gets blast KO'ed. Later in the episode Wasp is shown unconscious tied to a chair.
Part 1: http://www.youtube.com/watch?v=4i5CcjhHqlk
Part 2: http://www.youtube.com/watch?v=r1qWoIGlYuY
Source: screenshots
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