We're in for a bloody, brutal, and gritty Smallville episode on April 29.  And there's only two more episodes left before the two hour Smallville finale on May 13.On April 29, Callum Blue returns as Zod.  But not in the regular universe.  After Tess discovers that Phantom Zone successfully escaped from his home dimension - and had some help doing so - Clark decides to travel to the exiled land.  Oliver wants to come along, and ends up[...]