Quote Originally Posted by Teon View Post
It's the upgrade others are talking about here
Once upgraded, i doubt you are able to play with the ps3 version anymore.
As long as you have the PS3 disk, which you already need too play this game now, you'll still have the disk for the ps4 version. After you download the ps4 version you still use the ps3 disk. This has been stated in other places before. So you'll still be able to pay this on ps3, provided you still have your ps3