Captain Marvel #46 (1976)

 "Only One Can Win!", Written by Steve Englehart, Al Milgrom and Chris Claremont, pencils by Al Milgrom and Terry Austin. inks by Terry Austin. Cover art by Al Milgrom. Mar-Vell and Rick Jones are intercepted in orbit over Hala by the Kree dreadnought, the Star of Vengeance.  The Supreme Intelligence teleports Rick onto the ship and Mar-Vell to his audience chamber on the planet, threatening each with Supremors, humanoid manifestations of the Supreme Intelligence itself.  By forcing them apart, the Supreme Intelligence prevents either Rick or Captain Marvel from drawing the full power of the Nega Bands, ensuring his victory. 

Key book; first appearance of the Supremors. First 30-cent cover price. Very good/fine condition.