A man in a dark corner was standing with a gun. He threatened to shot Martha and Thomas Wayne if they refused to give him her jewelry. They resisted and both Martha and Thomas where killed. The thief ran and Bruce was left with both his parents dead.
Bruce Wayne was alone. His butler Alfred decided to take care of him. This scene build Batman. After his parents death, Bruce decided to fight crime on the streat.
10 Years later.
My undercover self, Batman, is a vigilante that fights crime on the street. Batman never uses weapons or kills his victims.
Hello, I am Bruce Wayne. The owner of Wayne Corp.