Marvel June, 1975
Reprints from X-Men (1st Series) #43; 1st appearance of Illyana Rasputin; 1st appearance of Nightcrawler (Kurt Wagner); 1st appearance of Storm (Ororo Munroe); 1st appearance of Thunderbird (John Proudstar); 1st appearance of Colossus (Peter Rasputin); Origin of Storm (Ororo Munroe); Origin of Nightcrawler (Kurt Wagner)
Second Genesis!; Call Him Cyclops; I, The Iceman; The Female of the Species
Len Wein, Chris Claremont, Roy Thomas, Arnold Drake, Linda Fite
Dave Cockrum, Werner Roth