I've liked ASM too. I hated OMD, but the stuff since then has been tolerable at it's worst and amazing at it's best.
think I've said before, as long as this whole thing with the marriage being broken up is one long story that will eventually have a conclusion, I'm okay with that.
A story thread woven throughout the book of Peter realizing something isn't right and trying to figure it out, having a confrontation with Mephisto and eventually restoring the timeline would be great. Or even if they can't restore the timeline, but he and MJ can recognize what happened and be the only two that remember. Even if it means they don't get back together right away but the door is opened to it as a possibility I'd be happy.