Writer Cary Bates reveals the untold story of how super villain Kanjar Ro nearly destroyed life as we know it when he set out to conquer Earth - Earth-Prime, that is. It's up to the Justice League, Adam Strange and a very special DC legend to save the 1970s! Plus: Following the 26-page lead story is a classic tale originally published in the '70s, also written by Cary Bates!

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