the hero's had gotten word of kids experimented on and used for other means, the pro hero eraser head aka shoto aizawa was sent as a cover to look and see if its real, as he walking into the lab all cells are empty except one main one, with 10 scientist looking in a glass, what he sees is you tied to the ceiling and marks all over you, however you are naked. he has to keep his cover but it hurts him to see this.

scientist head: ah newbie welcome, as u can see this is our only test.. alive