They're a fake. No question whatsoever. Not only is the seller an obvious liar (promotional releases... lol), but as meedermow pointed out, Fox would not have the rights to use the Superbit series. Probably no better then ones you can get for free. Why on earth would you pay for these?

In any case, I definetely prefer Superbits to the original releases. I think there's a couple of them out there where I wouldn't bother upgrading (Leon is the only one I can think of at the moment). As far as the others I've seen (Lawrence of Arabia, Das Boot, Desperado, and The Fifth Element) the Superbit edition is far and away the better of the two.