Oh, oh! I, uh, haven't resolved my problem, but I did think of a crackheaded scheme for another plot sometime, one that's kinda vaguely related but not. We always hear about the people who hate mutants, and the mutants who wish they were humans, but what about the humans who wish they were mutants? Or those private entities that realize the potential of creating their own superweapon or even an entire private army of mutants? It could be something insidious like that, masterminded by a Sinister-like character (or maybe even Sinister himself, which would be awesome, says the self-confessed creep fan). Or it could go the opposite route and be individual enterprise, where certain wealthy (and they'd have to be wealthy, let's face it) individuals decide to turn themselves into mutants by undergoing experimental DNA therapy/alteration. There's all kinds of potential there for Weapon X type stuff, since the doctors in charge would necessarily need test subjects and born mutants from which to cull theories, etc.
I realize this is totally off topic, but I wasn't sure where else to put it, so...yeah. *runs off*