My Phoenix was gone today too
I sent them an email for an explanation (I've never had this happen before but I don't collect much of any other figures besides Rogue and Jean/Phoenix) and here's the reply.
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Thank you for writing to us at Amazon.com.
Firstly, please accept our apologies for the issues that you have
encountered with your purchase.
In researching your order, I found that your order was cancelled due
to some technical errors in our web site.
I apologize for any inconvenience that this may have caused you.
Unfortunately, we are unable to reinstate an order that has been
cancelled. You are welcome to return to our web site and place a new
order for the same items.
In order to compensate for this inconvenience, I have issued a
promotional certificate of $15.00 which you can use for future
purchase at Amazon.com. The details of the promotional certificate
are given below:
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Can't really re-order her so I guess I'll use the gift certificate on some other line...