Aunt May Parker is dead. In the beautifully-written Amazing Spider-Man #400, she revealed to Peter she knew he was Spider-Man and died in her bed. Shortly after, Peter was arrested by Detective Raven from Utah for first-degree murder. Raven was recently attacked by Kaine, however and now knows it is Kaine - not Peter - responsible for the crimes. He has no idea who Kaine is, though. Jonah is paying Peter's legal fees anonymously. Meanwhile, MJ is pregnant, Ben Reilly has been trying to get her to trust him and a third 'Peter' is on the loose. The first Peter thinks Ben could be responsible for the murders he has been imprisoned for. All the while, the mysterious figures of Kaine, Scrier and Judas Traveller watch on.
Peter (from prison) wants to know where his wife is and is about to get tucked into the other Peter when Ben steps in. Peter goes off to change and puts on the remnants of his black suit. (Check: Ben = Scarlet suit. Original Peter: Black Suit. Other Peter: Original Spider-suit).
MJ is with Kaine in a cave somewhere. She has a tracer that Peter gave her and when Kaine goes a bit mad after having another vision of MJ dead, she uses it to summon Peter. Black spidey and Scarlet both get a signal and go to find MJ. Other spidey doesn't seem to. All three end up at Kaine's hideout though, with the third Peter (original suit) jumping into action against Kaine. The first Peter goes looking for MJ and finds her. Ben is battling Kaine and the third Peter gets in the way of Peter and MJ leaving. MJ 'just knows' the Peter with her is 'her' Peter. Kaine then shows up with a battered Ben saying it all ends here. (I wish it would).
Despite the genine stupidity of having too many Spideys, it is pretty cool to see all three in different outfits leaping into action. Not an awful lot happens here - but then that's about par for the course.