Earlier today many customers who pre-ordered the Mighty No. 9 Signature Edition received the following email concerning the status of the item (thanks to NeoGAFer spindashing for the screenshot):
However, later on the official Amazon Games Twitter account clarified the situation, stating that the cancellations were caused by a site error:
Customers that pre-ordered Mighty No. 9 Signature Edition will recieve an email from us soon. Your game IS still reserved.
— Amazon Video Games (@amazongames) July 10, 2015
It’s great to know that things turned out fine in the end, as having pre-orders actually cancelled right before launch would have reflected rather negatively on Mighty No. 9.