In June 1990, he launched John Ostrander and Tim Truman's Hawkworld comic, pencilling it for 26 issues until late 1992.
In the Brightest Day crossover, Carter and Shiera follow Hath-Set, who has collected the bones from all of their past bodies, and created from them a portal to Hawkworld.
During the Brightest Day storyline, Hawkman and Hawkgirl encountered a tribe of creatures resembling Lion-Mane on Hawkworld.