'Arrow' Season 4 Preview: What to Expect

When last we left Oliver Queen, he had renounced his status as the Starling City viglante known as the Arrow, and moved on to a new life with Felicity Smoak. Newly resurrected Thea stayed behind with Laurel and Diggle to carry on the work of Team Arrow, and Malcolm Merlyn was settling into his new role as Ra's Al Ghul: Leader of the League if Assassins!  What new challenges await Ollie now that he's retired? Will he stay retired for long?  Well, no. Of course not.  With a new moniker and a new, deadly villain (Damien Darhk) to defeat, Oliver must rebuild the relationships he destroyed as heir to the demon's throne, as well as keep the relationships he's nurtured from becoming so much ash.  And of course, there's also that Flash/Arrow crossover and the build up to DC's Legends of Tomorrow to worry about...