1992 Triangle #42. Infinity cover. No letter column in this issue. Identifiable from the "II" on the cover below the price. Also green logo and blurbs changed to blue.
This issue is a variant of Superman (DC, 1987 series) #73 [Direct].
There exist further variants:
Superman [Clark Kent; Kal-El]; Booster Gold [Michael Jon Carter]; Lois Lane; Pete Ross; Lana Lang; Linear Men [Hunter; Liri Lee; Matthew Ryder; Waverider [Matthew Ryder] (joins the team)]; Matthew Ryder's mother; Matthew Ryder's grandfather (first appearance; death); Gary Johnson (villain); Doomsday (second appearance; villain)