A noise of confused, multitudinous chirping or twittering issued from them at intervals as long as they were moving; but sometimes they ceased from motion, and then all was silence.
Rating Newest Oldest. Best Answer: wonder woman is stronger than supergirl. Wonder woman has strength equal or sometimes slightly greater than superman and superman is stronger than supergirl even though they are from the same planet. Wonder woman has fought superman on more than one occasion and has not lost.
Power Girl is the Earth-Two counterpart of the Kryptonian Supergirl and first cousin to Kal-L, the Superman of Earth-Two. Possessing her cousin's superhuman strength and ability to fly, she took his place in the Justice Society of America after he entered into semi-retirement to focus on his personal life.