You were called to the Hokage's office, you enter and see Tsunade sitting at her desk

Tsunade: She looks up from whatever she was doing and looks towards you Oh, you're here. Now you must be wondering why you're here. Well, I'll tell you. You're one of our most powerful Shinobi and we have a... Problem...

She looks to the side and you see Hashirama Senju, Tobirama Senju, Hiruzen Sarutobi and Minato Namikaze, but they look normal, not like the reanimation jutsu

Minato: He waves Hihi