I don't see why not. I'm sure every other game is just the ROM as well. It'll just be a matter of someone extracting the file I'd imagine. And then it's only a matter of time before repro carts show up for absurd prices on eBay.
As you can read in Japanese, the loketested MVS was obviously a "P-ROM-only" revision, with brutal/blood level toned down as in the "revised" AES (general Zetsumei Ougi included), some mere color-swaps here and there, "story mode" addition with Kuroko jumping in the forestage at the beginning of any play, and (badly) revised CPU fight patterns and A.I.