She is not missing much.
How about you go see something that you'll both enjoy.
Eh that first part depends on the person. Not going to pretend this thing didn't become a cultural phenomenon for no good reason, it did. On that same token though cultural phenomenon or no people just wont appreciate the some of the things you like.
On the 2nd point though, i wonder if OP and his wife enjoy any of the same films
I know couple who just don't like the same movies, or games, or books that sort of thing. And they get a long swell