Manu Bennet will be playing Slade Wilson, who in the comics eventually becomes major villain, Deathstroke! As seen in flashbacks, Slade Wilson and Oliver Queen (Stephen Amell) will form an uneasy alliance on the island of Lian Yu.
Manu Bennett is currently set to appear in a multiple episode arc of the show.
There is no set date as to when he will appear, but is most likely to be appear early 2013.
Source : EW
Are you happy with the casting of Deathstroke's alter ego? And do you look forward to seeing his transformation into the comic-book villain?