Manu Bennett is set to return this season on Arrow with episode 14.
Recently the actor took to Twitter to post the following images, teasing the return of Slade Wilson.
The episode will be titled "The Return," and also features the return of Tommy Merlyn.
The last time Slade Wilson appeared, he was imprisoned in an A.R.G.U.S. supermax prison on the island of Lian Yu, swearing to Oliver Queen that he would one day escape.
Manu Bennett was also recently cast as the druid Allanon in the Shannara TV series.