This issue has variants.
This series is a bridge between the rewritten post-Crisis on Infinite Earths and the revelation that the post-Crisis Superman is not related to the Superboy who was a member of the Legion of Super-Heroes. See Legion of Super-Heroes (DC, 1984 series) #37-38, and relevant issues of Action Comics and Superman.
On-sale date from DC Releases #31.
Inks credit confirmed by Steve Lightle.