Class 1A was just having a class as normal with Aizawa teaching them until you get teleported in front of them

Aizawa: activates his quirk and ties you up Who are you!?

Bakugou: I bet their with the LOV! those damn villains!

Midoriya: checks if They have any weapons on them

Todoroki: They are definitely villains.. How else would they get here?.. They don't even have the UA uniform..