The Flash First Look: Check Out Tom Cavanagh as Reverse Flash

Things are about to get very interesting on The Flash.

Go behind the scenes of The Flash

To drum up interest in the CW drama's return Tuesday at 8/7c, the network has released a new image of Tom Cavanagh suited up as Harrison's evil alter ego, Reverse Flash. How will Barry handle coming face-to-face with his mentor when he discovers that Harrison was involved in his mother's murder?

Watch the cast of The Flash discuss Harrison's murky motivations below: