What time is it? It's time to show some love for Marshall Lee the Vampire King, the gender-swapped version of Marceline, with this awesome Adventure Time adult t-shirt. This black, standard fit shirt is made from 100% cotton. Be sure to check out our Size Chart to get an idea of the average size and dimensions of this Adventure Time Marshall Lee Vampire King tshirt style. Check back often for some of our new Adventure Time clothing and other Adventure Time merchandise at great prices only at AnimationShops.com.