I can confirm on Kaiden's spotting of DOTM figures at Big W Parabanks, but when I got there the shelf-packing staff realized that the toys weren't showing up on those scanners around the stores (not at front counter) and the manager there figured the toys had to still be in embargo so he told his worker to take them off the shelf for now. Good timing.
I taunted him though by saying thanks for the early releases

So yes, though the toys are meant to come out just next week, anyone who spots them now and picks them up gets a much better advantage.