Today, fans were given a gift when it was announced that Matt Ryan will return to the trench coat as John Constantine on the fourth season of Legends of Tomorrow as a series regular.
Zoom unleashes an army of Earth-2 meta-humans, the leader of which is Black Canary's doppelganger, Black Siren; Joe worries when Wally goes out to help The Flash.
Trajectory arrived in town intent on creating maximum chaos, Trajectory's antics are misinterpreted as having been perpetrated by The Flash himself. Barry thus must quickly. uncover the mystery of who is the girl under the mask and as well as what is driving her mad desire for speed and destruction.
When King Shark escapes from an A.R.G.U.S. holding tank, Lyla and Diggle travel to Central City to warn The Flash. King Shark shows up at the West house and attacks Joe, Iris, Wally and Barry.
On Earth-2, the team asks for help from an unexpected source to find Zoom's lair, while on Earth-1, Caitlin tries to perfect Velocity-9 so Jay can stop the Geomancer
During the final day of the 2015 NYCC, Warner Bros. Television held their panel and gave us a great look at what's to come for both Arrow and The Flash!