Yes, actually you can! If you beat the game on normal and after you've completed Catwoman's final mission, you return to the main menu, click continue story and it will let you choose which costume...
You have to complete all quests in konoha first then you will have to talk to a guy in konoha gate and talk to tsunade after. then go to orochimaro hideout and search for a blue aura. after that...
No because Batman was an old man in Batman Beyond instead it is Terry McGinnis^^ That's not entirely true. Bruce used the new suit for a while because of his heart condition that weakened him. In the...