Last God Standing

When God decides to quit and join the human race to see what all the fuss is about, all Hell breaks loose. Sensing his abdication, the other defunct gods of Earth's vanquished pantheons want a piece of the action He abandoned. Meanwhile, the newly-humanised deity must discover the whereabouts and intentions of the similarly reincarnated Lucifer, and block the ascension of a murderous new God. How is he ever going to make it as a stand-up comedian with all of this going on?