tymime's tumblr, Soo… Five Nights at Freddy’s 2 involves a sort of...

Soo… Five Nights at Freddy’s 2 involves a sort of old vs. new scenario? A brand-new Freddy’s restaurant and/or animatronics replacing old, run-down, decrepit ones? Are they after you for being replaced? Are the new ones not haunted and/or harmless, and are they allies? Or are they out to kill you too?
Ugh, I hope it’s something like that.