Arrow Season 2 Finale Spoilers: John Barrowman Back For Season Finale!

Arrow Season 2 Finale Spoilers: John Barrowman Back For Season Finale!

arrow-season-1-episode-22-darkness-on-the-edge-of-town-merlyn
A new casting spoiler for the season finale of Arrow season 2 has emerged.. Major spoiler below.

Malcolm Merlyn is back! John Barrowman will be filming for the show again, starting with the upcoming season finale.

Here's a tweet of him heading to the set:

 

Just what is he doing back on the show? Will he have a bigger part for season 3?