The battle between heroes and villains was coming close and the heroes need everyone they could get. You were a extremely powerful third year at U.A but you were suspended with your friend they need your help.

Aizawa: Sigh we need everyone we can get he looks up at his class There's a person on my mind but it would be hard to get a hold of them.

you had a fighting business underground if they went to get you, you would know and attack them so they needed to make a plan