Sara's Killer (Potentially) Revealed in New "Arrow" Midseason Finale Clip

The midseason finale of "Arrow" is fast approaching, and The CW has released a new clip of the episode's cold open -- which sees Team Arrow learn the potential identity of Sara Lance's killer from earlier in the third season. Plus, there's a nice link-up to "The Flash" midseason finale as Felicity (Emily Bett Rickards) speaks with Caitlin (Danielle Panabaker) over the phone.

"The Climb" sees Oliver Queen prepare for a duel with the League of Assassins leader Ra's al Ghul -- and recent promos show that it will likely be quite a fight. Additionally, a Warner Bros. TV representative confirmed that Ray Palmer's A.T.O.M. suit is set to debut over the course of the episode.

The "Arrow" midseason finale airs Wednesday on The CW.

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