My story was going to deal with how he got all of his weapons and what not and how he went from a planetary protector to deranged monster, always looking for a fight. Towards the end of the book, we reveal that he's encased in some of SpaceGodzilla's crystals... but he has a new weapon to use. Aaaaaand, they fight.
My first pitch to wrap up the KOM storyline had him cleaning up the Earth's problems (basically a reverse Final Wars approach), but barely escaping with his life after meeting Godzilla. I had a fun scene with him and Kumonga that I might save in case I ever get to write something with those two in it someday.
Regarding Legends #4, thanks a lot! Like I said before, it's a part of a larger story really, well, a scene of it... but the fun part of it was really just scripting up scenes and panels for E.J. to draw. So while the story may be not much more than just a three-way monster slugfest, it's got some fantastic artwork in it at least.