Well you forgot GT7, it certainly is a possibility... my bets would include FF and maybe MGS.
Don't think they would need 2 BDs for UC4 even going 40Gb on UC3.
EDIT: On the bright side FF XV and GT7 may take some years to show and someone beat them to it.

duduspace11 "Well, since we are estimating costs, Pokemon Red/Blue did cost Nintendo about $50m to make back in 1996"
http://gamrconnect.vgchartz.com/post.php?id=8808363
Mr Puggsly: "Hehe, I said good profit. You said big profit. Frankly, not losing money is what I meant by good. Don't get hung up on semantics"
http://gamrconnect.vgchartz.com/post.php?id=9008994
Azzanation: "PS5 wouldn't sold out at launch without scalpers."







