Do a search for "comix" and "underground comics", there was a lot of sex/nudity stuff in the underground comix in the 70s or so. Also, if you go to the really old stuff, you'll find all kinds of blood & gore. Just look up golden age horror comics.
You can find all kinds of golden age comics here: http://digitalcomicmuseum.com/index.php Look for the horror ones, and I would imagine that the military ones have some pretty graphic violence.
*WARNING: The above post may be highly opinionated, read at your own risk.
Gee Caspah, you're a twicky one!
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