Plot twist izuku took a real gun off his dad but the one the stranger had was a toy that looks like a gun do to both guns looks different I bet he was trying to mug them for the allmight figurine they just brought to vet out of buying one not knowing he was trying to mugged a super villian known as afo
Izuku was really like f you what's even funnier is his 4 year old brain probably didn't process what the f*** was going on and just went nope you ain't threatening my family