Clark's not so country cousin will be dropping in this fall.

The Supergirl character will join the CW series "Smallville" to add a little estrogen into the mix, reported the network Monday, June 11.

"One of the joys of creating 'Smallville' has been our ability to reinvent and reinterpret classic DC Comics characters," says executive producer Al Gough. "Miles and I believe that Supergirl will give our series the mythic jolt that it needs as we head into our seventh season."

The latest season will premiere with the arrival of Kara, Clark's (Tom Welling) 19-year-old cousin born on Krypton. As the daughter of Zor-El, Jor-El's brother, Kara also has superpowers, including one that Clark has yet to develop: the ability to fly. On the more mundane side, Kara butts heads with Clark, is sweet on Jimmy Olsen (Aaron Ashmore) and draws Lex's (Michael Rosenbaum) attention.

Supergirl is the latest hero to join "Smallville." Other DC Comics characters who have made appearances include Green Arrow, Aquaman, The Flash, Martian Manhunter, Cyborg and Brainiac.

Casting for the Supergirl role is currently underway.