Can't stand Big Bang Theory. Guardians of the Galaxy was entertaining and parts of it made me laugh, certainly. I do have something similar to you though in that I do not get the humour in some things at all. Like, it's not that it's not funny enough to make me laugh, it's that it doesn't even fit the category. Embarrassment humour is the largest category of humour that doesn't work for me at all. I don't laugh at all at things like Bridget Jones which is all about being embarrassed. I will laugh a lot at a good comedian who is clever. (Jimmy Carr cracks me up sometimes and his "more unnecessary joke ever" as YouTube described it, had me creasing up. The other category that I wholesale do not get is the Identity Politics humour. Family Guy is the first thing that comes to mind - it's 80% jokes based on US social stereotypes. Oh, it's funny because he's Black or she's a woman or whatever. Just entirely doesn't work for me in the same way that a dog isn't a fish.