Marvel Origines - X-Men 6 (1967

1 Uncanny X-Men (1963) #26 Holocaust! 11/1966 2 Uncanny X-Men (1963) #27 Re-Enter: The Mimic! 12/1966 3 Uncanny X-Men (1963) #28 The Wail of the Banshee! 01/1967 4 Uncanny X-Men (1963) #29 When Titans Clash! 02/1967 5 Uncanny X-Men (1963) #30 The Warlock Wakes! 03/1967