Adventure Time #1 proved such a success for Kaboom (the all-ages imprint for Boom studios) that they've now announced a spin-off series, focusing on Marceline the Vampire Queen and Princess Bubblegum. Written and drawn by Meredith Gran, Marceline and The Scream Queens will feature a backup story in each issue, and issue #1 will also boast a staggering FIVE variant covers. One is drawn by Colleen Coover!
Another is by Ming Doyle, and another is by Chynna Clugston, and another is by Lucy Knisley. Issue #1 of the series is due in July.