Moving on to Arrow, the series has left us with the same question we’ve been asking from the beginning of this season…Who is Prometheus? Well the mid season finale may have given us a clue to a possible connection. Actress Lexa Doig will join the cast of Arrow as Talia Al Ghul, daughter of Ra Al Ghul and Nyssa’s half sister. How will Arrow introduce Talia Al Ghul? During the fight at the midseason finale, Oliver mentioned there was something familiar about Prometheus’s fighting style. And how important will she be in the story arc of Prometheus? And does this open the door to Batman possible showing up on Arrow?
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