But will he still be when Slade returns? We’ll find out when Arrow airs Wednesday at 8 p.m. Details on Slade’s return are being kept under wraps, but the character was last seen in an A.R.G.U.S. EW has confirmed that the actor will reprise his role as Slade Wilson, otherwise known as Deathstroke. Stephen Amell first broke the news on Twitter. Show Full Article Manu Bennett has booked a return trip to Arrow! One of Oliver’s (Amell) greatest foes, Slade Wilson made his debut halfway through the first season as a fellow castaway on Lian Yu, who ultimately was injected with super-soldier serum Mirakuru in a bid to save his life. “Desperate times call for desperate measures,” Amell wrote on Twitter in breaking the news of Bennett’s return. So yeah, he was a bad guy. prison cell on Lian Yu during the third season. ET on The CW. Slade eventually returned to then-Starling City to get vengeance on Oliver for choosing to let Ivo (Dylan Neal) kill Shado (Celina Jade) over Sara (Caity Lotz), eventually slaughtering Oliver’s mother (Susanna Thompson) and nearly destroying the town before being imprisoned. Could that mean Oliver will need to rely on an old enemy to take down a new one in Prometheus (Josh Segarra)?