The bank will not get your money back i'm afraid, once a payment goes through, it's gone. Unless you can prove it's fraudulant, they will not act, also, if they cannot prove such, same scenario.
This whole scenario is quite baffling, i did ask this question at the beginning, so will attempt it again, are you 100% sure you purchased through the legitimate Amazon site, scam sites are all over the internet, paypal is one particular scam site, there are lot's of them around asking for details.
You are a much more patient man than i, i would be banging down the door of Amazon over a situation such as this, i would go legal from here on in, it's the only way forward i feel, get some legal advice from an expert, they will be able to fill you in on exactly where you stand & which move to make.