It's a sham/rush marriage so Shiklah wouldn't marry Dracula. They're more friends with benefits who occasionally like each other and/or try to kill each other. As it is, Shiklah has cheated on him (multiple times) before but again, it's political so even they don't it that seriously.
Does UA 22 take place before or after 'Till Death do us part?
Does Simon's appearance at the end of Uncanny Avengers #22 portend Anna Marie losing her class 100 strength?