'The Flash': Meet Villain Reverse Flash in Brooding Promo

The Flash Midseason Finale - H 2014
Diyah Pera/The CW

Barry (Grant Gustin) won't have much time to recover from his teamup with The Arrow (Stephen Amell).

In Tuesday's midseason finale, he'll finally meet his arch nemesis, the Reverse Flash, the man he says killed his mother. Promo photos show Barry to be bruised and bloody. 

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"This man stabbed my mother through the heart," Barry says in a promo for the episode. "This is my fight."

The Flash midseason finale airs on Dec. 9 at 8 p.m. ET/PT.