Are you kidding, If they were in a desolate DBZ area where their was noone for billions of miles and nothing to swing from, Mario would fly and smack him with his tail, and if he missed luigi would fry him. And in the off chance they both missed Their secret little brother who noone knows of would call the rest of the Mafia in, becaus ehtey're a strong family with many connections, and you don't want to get on their bad side.