Ra’s al Ghul will return for Arrow’s upcoming fourth season. No, not Matt Nable’s version; his storyline is likely finished. Malcolm Merlyn, who took over the role of Ra’s al Ghul at the end of Season Three, just finalized his deal to return in the fall.
John Barrowman told an audience at Amazing Las Vegas Comic Con this weekend that Season Four starts filming in July, and that he just finalized his deal about a week ago. The English actor said, “I’m very excited about going back, I can’t tell you anything because I do know a bit about what’s going to happen. But if you love Malcolm Merlyn, you’re going to love what’s going to happen across the DC world.”