They're not multiple bands, but I'm sure it's just a simple typo.
Do you have a blog? Blogs are good places to put your opinions. This is a Fanfiction site, which is meant for Fanfiction. This is not fan fiction, so by all means, it should not be here.
If you do have a note to say, may I recommend posting it on your profile?
I'm sure you're just new here, and there's nothing wrong with that! You'll fit in eventually, even if you don't like MCR. I'm not the biggest fan of it either.
I hope you'll find a fandom that works for you. Best of luck!