By this rate there already vigalatys since the hole civel war thing

I recall many times where a MCU character took the law into their own hands.

first in chronological order: Captain America rescuing the soldiers held by Hydra.

first in release order: Iron Man using his suit in the Middle East.

edit:: by a group: Agents of SHIELD season 1, the episodes that took place after Winter Soldier. I think both chronological order and release order.

I believe that sometimes the law has to be taken into there own hands and shouldn't be punuished.

Which is why I don't like the Accords

Yer

Power corrupts and lawlessness has a tendency to spread.

Vigilantism is a very different thing from stopping a crime or defending the innocent.

Of course, that's for our own country and it's laws. Other countries can do as they wish with their own.