Ok, a BP is traditionally the last chance a guy has to "sow his wild oats". Hopefully he won't actually do that!
If you have ANY IDEA that he has done so, then DO NOT give yourself to him (even on your wedding night, if you go ahead with it - if he forces you, then that's RAPE!) until he's proven medically healthy! You could live to regret that. Or not.
If he has control issues, then you both NEED to resolve these BEFORE you get married. They won't go away (with a ring)!
If you find that you're "giving in", then STOP DOING THAT!! Stand up for yourself. Call off the wedding, if you have to (that'll wake him up, I guarantee it)!. DO NOT let him get his way. Period. It isn't right.
Marriage is a partnership! Not a dominant/submissive relationship (although those exist, to be sure).
Personally, I find your reaction puzzling (simply from the male perspective - but my GF knows me very well and trusts me to not do anything stupid - which I wouldn't; he.l, I'd be happy with free beer on my BP night

), but I do understand that (various) things make you uncomfortable. If he won't respect that, then it begs the question of what else he won't respect (as long as he always gets HIS way).
I hate to suggest a spy at the BP, but that's an option. Bottom line, if you aren't comfortable, then DON'T do anything afterwards! Your life does not depend on being a "wife". Nor does his on being a "husband" (poorly though he may enter it).