According to a Deadline report, Fox has given a put pilot commitment to Warner Bros TV for Lucifer. Developed by Californication creator Tom Kapinos.
A put pilot commitment means that the network has agreed to air the pilot or will owe a substantial monetary penalty to the studio.
Lucifer is a DC Comics character that first appeared in a the Vertigo series The Sandman and then got a spinoff series of his own. In the proposed TV series, Lucifer is bored and unhappy as the Lord of Hell so he resigns his throne and heads to Los Angeles where he opens a piano bar called Lux.
WBTV is agressively expanding their output going from one tv show, Arrow, two four including Gotham, The Flash, Constantine and iZombie. Also a Supergirl and Titans series are in the works.