NBC's Constantine was short-lived, managing just a single year before cancellation. However, it looks like the hero (or at least Matt Ryan's incarnation of him) might live to fight one more day, with news he'll guest-star in the fourth season of CW's Arrow. Ryan will reprise the role in an episode entitled Haunted. Whilst nothing's concrete, a betting man would probably guess it involves Arrow and Ryan's occult detective coming together in the face of a supernatural enemy. Arrow star Stephen Amell had previously expressed an openness to appearing as Arrow on Constantine had it survived beyond its debut. Given that's not how things panned out, it's unsurprising to see Ryan giving the Constantine character another spin on Amell's own show. This isn't the only Arrow news of the day. Rutina Wesley has also been confirmed for the upcoming season in the capacity of DC character Lady Cop. Wesley, still best known for her stint on True Blood, will apparently embody a different spin on the character, joining the show's anti-vigilante task-force. Does this casting news have you excited? Any affection for Ryan's Constantine? Let us know below.