One free NC Halloween Bag has been released so far, and people have possibly found the image for another one. I got it on the front page of the NC Mall.
It seems that all of us who kept their bag in their inventory had them poof from existence. If you placed it in SDB you should still have it.
I wonder whether they'll ever make a return.
as far as i know i have gotten the spyder one and opened it and received a darigan dice set it is a toy. as for the second one i have seen a image of it but have yet to see it in the mall!
Apparently those that had them in their inventory have them, but they're invisible. A lot of people are noting a discrepancy between the number of items they have out and the number they are listed as having out. I've heard there is even a blank in the quick stock feature. Makes me wonder if someone quick stocked everything to their SDB if suddenly they'd have their bag appear there.