NOVA (1976) #25

The Sphinx and Dr. Sun butt heads on their journey to Xandar! Will another villain attempt to break up this new partnership? Tensions rise as the uneasy allies hurtle through outer space toward their destination. Nova, Powerhouse, Crime-Buster, Comet, Diamondhead, and the powerful Sphinx are attacked by an armada of Skrull warships. But these champions will not be denied. Though this is the final issue in Nova’s own series his story is not done yet. Nova’s epic saga continues in Fantastic Four (1st Series) # #206 -209 and concludes in Rom (1979) #24.