Disambiguation: Superman, Pre-Crisis Earth-Two
First published in: 1969
First appearance of Superman of Earth-Two in Justice League of America (DC, 1960 series) #73 (August 1969). The wedding of Lois Lane and Clark Kent was shown in Action Comics (DC, 1938 series) #484 (June 1978). Superman died in Infinite Crisis (DC, 2005 series) #7 (June 2006).
Link: https://en.wikipedia.org/wiki/Superman_(Earth-Two)