Marvel Origines - X-Men 2 (1964

1 Uncanny X-Men (1963) #6 (1) Sub-Mariner Joins the Evil Mutants 07/1964 2 Uncanny X-Men (1963) #7 The Return of the Blob 09/1964 3 Uncanny X-Men (1963) #8 (1) The Uncanny Threat of Unus, the Untouchable! 11/1964 4 Uncanny X-Men (1963) #9 (1) Enter, the Avengers! 01/1965 5 Uncanny X-Men (1963) #10 The Coming of... Ka-Zar! 03/1965