I don't know. It doesn't hurt to have it officially copyrighted.
Does anyone know if the writers of the script have to get it copyrighted before they submit.
I don't really understand the question! I'm sure the Wolverine script has been copyrighted. Why wouldn't it be? And why would it matter? Most writers would want to protect their work.
Tell us more about what you want to know and why.
The question is this: Do you think they copyrighted the script before they submitted it to FOX or after?
For instance, the writers on X2, did they get their script copyrighted before they submitted it or afterwards?
The way in which copyright protection is secured is frequently misunderstood. No publication or registration or other action in the Copyright Office is required to secure copyright. (See following note.) There are, however, certain definite advantages to registration. See “Copyright Registration.”
Copyright is secured automatically when the work is created, and a work is “created” when it is fixed in a copy or phonorecord for the first time...