Definitely not AI, but if these are new commissions it's not unreasonable to suspect an element of self-parody, playing up the aspects of the originals that amuse people.
You don't have to take my word for it. Instead of suspecting, please read up on deadly prey gallery, as I had suggested.
They go on tour with the posters and some movies. To hear them talk about it and reading through their book, it's obvious that they treat this seriously.