Mercenary Brothers

Izumi was being held back by her friends as they are being under attack by the League of Villains when she sees her older sister, and parents about to be killed. She didn't want to lose them like her twin big brother and her older brothers. You see Izuka the older brother and Izuku the younger brother both were born quirkless and their families ignore and abuse them. Izuku and Izuka only had their friends (1A girls and their families that includes older sisters of the girls). They couldn't take it so they ran away after their parents realized their mistakes about what they had done to them. As Shirigaki was about to kill Hisashi when Superior Spider-Man and Deathstroke appeared and killed all the villains. After they help the class but Hisashi and Inko try to attack them but they fail when Nezu and the rest of the staff arrive. As Nezu goes toward Superior Spider-Man and Deathstroke as they reveal their identities. Izuku is Superior Spider-Man & Izuka is Deathstroke. Nezu tells them that he hired both of them to be a student and assistant to help with the USJ. The Midoriya family wanted to reconcile but the boys don't want anything to do with them. They don't want them near them or their wives their children