According to Latino Review, who received an anonymous tip, director Guillermo del Toro will follow Hellboy 2: The Golden Army with his long-in-gestation adaptation of H.P. Lovecraft's At the Mountains of Madness. LR's source also said Universal was putting up the backing for the film, along with Angry Films (Shoot 'Em Up). In Lovecraft's novella, which debuted as a three-part serial in the pulp magazine Astounding Stories, a scientific expedition to Antartica discovers an ancient city of gods and monsters.
source:
Latino Review