tfaw.com listing for the the comic.
"Trapped by the dreaded Lich, the guys gotta stop all of Ooo from being sucked away forever - and rescue a bunch of wayward Princesses. Luckily, no one does adventure - and looks cooler doing it - than Finn and Jake! "
Wow, Lich that early, hope it's mathe mathematical.
Boom studios still doesn't have a one year subscription for individual up, so it looks like you'll hvae to head to a comic shop to get yours still.
Issue number 1 is still set for Feb 15th release.