Adam Strange appears in this issue of Mystery in Space! Adam helps the Justice League with arch-nemesis Kanjar Ro who has mysteriously become more powerful and plots the demise of the league!
In this sequel to Justice League of America #3, space villain Kanjar Ro sets out to conquer the planet Rann. Thanks to his Gamma Metal Gong he seems to have succeeded - but not before Adam Strange has managed to alert the JLA. Can even the Earth's greatest heroes overcome the threat of Kanjar Ro and free the people of Rann?