I'm a well read grad student who's bluntly honest about all things, although I try to be most honest about myself.
I have to leave soon, so this is gonna be short, and hopefully sweet. Remember Deadpool's crazy psychiatrist who had the hots for him? Yeah, well, it turns out she had some old body parts in her fridge. Deadpool body parts.
That make up a whole Deadpool. And get sewn together. And are, apparently, evil.
So Deadpool has to beat his evil twin, and Captain America thinks all the evil things the twin has done? Well, he thinks Deadpool did all that.
Which leads to this:

Just so we're clear, I ship this. I totally ship this, and while this was, like, the one panel ever that wasn't supposed to be super sexual, I was like, whoo! The asked myself what exactly was wrong with me, because it's a fight.
Anyway, Deadpool has to outsmart Evil!Deadpool, by doing what Evil!Deadpool will do, but do it first.
Which leads to this:

Yeah, it's as fucked up as you think.
But the last issue is a .1 issue, which recaps everything. Musical style.

Look, the Spider-Man musical obviously didn't work. But I would buy splash-zone tickets to Deadpool: The Musical.