And I'm pretty sure this bio won't help anyone, but it does have cool pics.
http://spider-bob.com/heroes/marvel/CaptainMarvelIII.htm
Genis throws a rock at Superman, or he hits him with a water geyser.
http://i118.photobucket.com/albums/o106/bigbran1/owned/Supermanv2134-16.jpg
http://i118.photobucket.com/albums/o106/bigbran1/owned/Supermanv2134-17.jpg
http://i118.photobucket.com/albums/o106/bigbran1/owned/Supermanv2134-21.jpg
http://i118.photobucket.com/albums/o106/bigbran1/owned/Supermanv2134-22.jpg
Or he just beats the shit out of him.