So I predict a Top ten debut and a peak at #1 right around Black Friday where it will stay until Christmas, which means that this, Tay's singles, K$ 'Die Young', and Rih's "Diamonds" will basically be where the radio battle is at in the 4th quarter for those album sales, and...no shade intended, Christina will be overshadowed yet again unless casual listeners truly pick up on her song beyond the stan base.
If a accompanying soundtrack's in the works, we're looking at Christmas sales here with the demographics that truly made 21 sell 20+ million copies, so don't be surprised if it shifts MAJOR numbers solely on the strength of one song. Additionally, don't be surprised if it eventually shifts more copies than your fave's studio album by year end. If there's no accompanying soundtrack, well then - the thought's nice for Adele fans.