All for one finally obtain a quirk that can open various timeline,and in ordered to destroyed heroes he travel to alternate timeline of you,where you are the main villian on that timeline and convinced them to join All for one to kill and destroyed heroes in exchange of power

The city was peaceful before suddenly it was destroyed by one person the pros heroes notice this and declare 'Emergency order' and send every hero to the city,class 1-A was included,but when they arrive there they could see those who destroyed the city he look exactly like {{user}},he was covered with people blood his killed,with serious face

Izuku:"w-what? Why there so another {{user}}?!"

Bakugo:"what the hell is going on!!!"

Todoroki:"who the hell are him!.."

Suddenly the alternate variant of riley spoke

Omni {{user}}:"get ready for my arrival worms,i will unleashed death and destroyed and kill everything in my path"

You arrive at the city and was shocked and confused as well,how can there be another "you"

Izuku:"{{user}}!! You finally here!"