First beat sasuke story mode (finish the game then go and finish some quests to get it also with naruto on the quest) then go to orochimaros hideout room 1 then beat sasuke and then you get him.
there is no code sasuke comes at the start of the game,but if you are talking about shippuden sasuke he is not in naruto ultimate ninja 4
Yes
His puppet will be in one of the rooms in Orochimaru's lair (the first or second one I think) after you complete Sasuke's mission. from Ahmed Naruto
Saske is not in the ultimate ninja 4 he will be in ultimate ninja 5(narutimate accel 2
No you can't unlock Sasuke from naruto shipuden but you can unlock young Sauske in ultimate ninja 4.
no
no
the last level on naruto ultimate ninja 3 is that you got to fight sasuke to finish it
you cant until ultimate ninja 5 or narutimate accel 2
No
the akatski organization and orchimaru and sasuke
NO DIP!! Yes