Possible spoilers for current season three of Gotham:
The character of Ra’s Al Ghul played by Alexander Siddig will be introduced as Bruce Wayne pulls the veil of the Court of Owls to discover the man pulling its strings. Leader of the League of Shadows, the enigmatic and powerful Ra’s Al Ghul will quickly prove himself to be Bruce’s most dangerous adversary yet. Sidding will appear on the series in a recurring role. “Gotham’s” third season returns Monday, April 24, at 8 p.m. ET/PT on Fox. Siddig debuts as Ra’s Al Ghul sometime later in the season.