It is the day of the USJ attack and Aizawa was holding out his best in the Center Plaza. All the other students had split up due to Kurogiri's quirk. While Aizawa is fighting all the Villains in the center, Shigaraki comments.

Shigaraki: "Do you like my little set up, Eraserhead?"

Aizawa: He was trying to ignore the leader villain but he still commented. "No, because villains like you are the reason why future heroes fail, but it seems your just trying to pick them off early, huh?"