I have to say I absolutely loved the rocky films when growing up ( well 1-4....5 doesnt exist lol in my mind it goes 1,2,3,4,balboa lol) and really enjoyed being able to watch rocky on the big screen (balboa), so I know | would thoroughly enjoy being able to watch any of the originals on the big screen.
That being said I really enjoy my films, and I have to say the list would be long for films I would want to watch on the big screen if re-released, most to be honest would be the greats such as the godfather , the shawshank redemption, pretty much all the classic films I wasnt around for their original release (or too young).
If were talking more recent films I'd like to watch something like batman begins/The dark knight, just as a build up to TDKR lol