DC Comics Presents #87 Superman and Superboy (November 1985) by DC Comics
Crisis on Infinite Earths cross-over. Zapped by an alien ray, Superman hops dimensions and teams up with Superboy-Prime to battle Polarians on Earth-Prime in the 24-page "Year of the Comet." Continued in Adventures of Superman (1939) #414. Script by Elliot S! Maggin, art by Curt Swan & Al Williamson. Plus: the 16-page "Origin of Superboy-Prime" by Maggin, Swan & Williamson. Cover by Eduardo Barreto.