Who's to say that Hollywood can't pace and open with Orlando, considering now that Orlando is more slated to 2021 (and presumably that Disney may have something Marvel oriented at DCA by then)?
Well, Universal Studios in Los Angeles is still being sorted out between the SSs, the rumored Secret Life of Pets attraction, the filming/TV schedules, and the Studio Tour. And now we're in the year 2018 so the plans for SNW in LA should be up by this year or probably by the beginning of 2019.