'Arrow' EP on Slade's Destructive Plan, 'Olicity' Obstacles and Laurel's Dark Spiral (Q&A)

Ahead of The CW comic-book drama's return, Marc Guggenheim tells THR that it's "just a matter of time before Oliver discovers that Slade is in Starling City." Arrow returns with several looming questions following the events of the winter finale. With Oliver Queen's former mentor Slade Wilson back in action and ready to turn Oliver's world upside down, the CW's comic-book drama kicks off the remaining episodes of the season with a flurry of action. Not only will Oliver likely face off against hi...