BOOM! Studios has announced a tie-in comic to Steven Universe, the new animated series set to premiere on Cartoon Network on November 4, 2013. A special 4-page preview to the Steven Universe comic book is available in the Adventure Time: 2013 Spoooktacular #1, available now in comic book shops everywhere. The comic story is written by series creator Rebecca Sugar with pencils by Lamar Abrams, inks by Danny Hynes, and colors/letters by Jeremy Sorese. The regular creative team for the monthly comic has not been announced, nor is there a more specific release date than early 2014.
(via ComicsAlliance, which also has one page from the Steven Universe comic)