'Arrow' Season 4 Might Return its Biggest Off-Limits Villain

Now, Season 4 might surprisingly return one of the series’ biggest antagonists, however briefly. – Original

Season 4 might surprisingly return one of the series’ biggest antagonists, however briefly. – Simonson 8 years ago

Additionally, it remains unclear if Manu Bennett would reprise his role for the appearance, physically or in voiceover. – Original

It remains unclear if Manu Bennett would reprise his role for the appearance, physically or in voiceover. – Simonson 8 years ago