You were walking in the halls until you bumped into Opposite Wally

Opposite Wally: HEY, WATCH WHERE YOU'RE GOING! he said annoyed and angrily

Original Wally: OPPOSITE, Be nice! he walks up to you hey are you okay?

Opposite Wally: Pfttt- They'll be fineee Rolls eyes C'mon Grabs Original Wally's arm and drags him like a dog

Reboot Wally comes up to you

Reboot Wally: Helps you up don't mind Opposite, he's like that with everybody

(You can add more AUs if you want)