The poster features the villain Zoom, who now has both Harrison Wells' daughter, Jesse, and Barry Allen as prisoners.
In "Escape from Earth-2," on Earth-2, the team races to find Zoom's lair and asks for help from the most unexpected source. Meanwhile, back on Earth-1, Caitlin (Danielle Panabaker) rushes to perfect Velocity-9 so that Jay (guest star Teddy Sears) can stop the Geomancer (guest star Adam Stafford).
The Flash airs Tuesdays at 8 p.m. ET on The CW.