Good set-up and pretty good Challenge entry, Dark S-M. What happened with your improvement on your tenses, though, man? Since you've entered this in the Challenge, you may want to correct some things here, and maybe even after voting wraps. I don't think the judges don't really look at the entries until the deadline.
As for the match, as mentioned, Pete's going to be distraught with the prospects of having to kill his own daughter and fighting his own wife, but he's managed to figure out ways to contain worse threats as opposed to killing them. Still, it's going to be tough for him to do so when both May and Mary Jane may briefly team up against him. Between Mary Jane struggling for control with the symbiote and feral instincts taking over in May, though, such a team-up won't last long, so Spidey just might get the brief opportunity he needs to incapacitate at least one of them, and then deal with the other. He's going to take a lot of punishment in the meantime, though.
Haha, I actually wrote this at work during my break. And I sadly don't have time to edit it. To busy with work and such.