IDW is set to release the 4th One Shot Garbage Pail Kids Comic on 6/24/15. The title of the comic is Gross Encounters of the Turd Kind. As with previous GPK comics there are multiple versions of the comic.
Regular version:
Deluxe Version containing a GPK promo card:
Blank Front version:
Variant version:
You should be able to find the new comic available at your local comic store or online.