Powergirl is the Tangent Universe (Earth-9) version of Power Girl (Kara Zor-L). Artificially created by the Chinese government in response to the emerging superhuman populace on Earth, she is given superhuman abilities to be their soldier.

Powergirl

Powergirl is the Tangent Universe (Earth-9) version of Power Girl (Kara Zor-L). Artificially created by the Chinese government in response to the emerging superhuman populace on Earth, she is given superhuman abilities to be their soldier.

All data from the awesome folks at Marvel.