The internet craze about securitization of deeds of trust being illegal and the resulting inability of the financial institution to foreclose has not worked. Anywhere. The fact that the bank who owned the assets went belly up simply means the FDIC appointed another bank to take the assets over. No black helicopters without tail numbers here. Whether or not the Court accepts the document (mind you, this type of occurrence has very limited application) will be up to the sound discretion of the Judge. "Robo-signers" aren't illegal, it goes to the weight of the evidence, (in other words, did they read what they signed before signing it)
A proper response would require a thorough investigation into the history and background of this relationship. The information provided above is just that, information, to be used as you see fit.