Huntress

Huntress was, briefly, a member of the Justice League after the Thanagarian invasion. She was fired after attempting to murder Steven Mandragora, after which she continued to work independently.

But she later joins Darkblade's team.

Trivia:

 * Huntress will meet Darkblade in Darkblade & The Emperor's New Groove and she'll join the team.
 * Huntress has feelings for Darkblade.