That´s not useless, it's other intro like in some chapters of Arrow, Flash, etc. But ok, undo what I did. It's nice to see what some do on this page with contributions from others. I know for the next time :-). (The happy face is sarcasm by the way).
PS. You can check that the opening is correct, here. (Something that I did). ---> http://www.addic7ed.com/serie/Supergirl/2/1/The_Adventures_of_Supergirl