i don't really have any fandom-level experience with the mcu (aside from daredevil) so i can't comment much on that but i figure, like you said, that since the canon is more depressing and dark there's more believability and more of a foothold for the sadistic stuff.
Re: the sadism of the fandom as a whole
(Anonymous) 2015-06-07 12:17 pm (UTC)(link)