The mastermind behind SPIDER is revealed, shaking T.H.U.N.D.E.R. to its core. A now-powerless Dynamo is helpless in the face of Dr. Sparta's robotic monstrosities. Kat Kane uncovers the ultimate truth of the Judgment Towers, but the price may be not only her life, but life on Earth itself!
EXCLUSIVE: Grodd Strikes in New "The Flash" Photos