Fifteen years after it first premiered on Cartoon Network, "Adventure Time" is still ... brings back the Lich for a deadly showdown between the powerful sorcerer and Finn the Human.

The Lich, the greatest form of pure evil in the land of Ooo, is accidentally unleashed. With the highest stakes, Finn and Jake set out on the most serious adventure of their career.

Come on, grab your friends because Funko has a new collection of items for Adventure Time fans ... inevitable foes - The Lich. Though the iconic human and dog duo don't make an appearance ...