And ze eligible comics are:
Astonishing X-Men 1-35, 44-47
Astonishing X-Men: Xenogenesis 1-5
Avengers (1963) 1-10
Avengers (1998) 1-11; 56-84; 500-504
Avengers (2010) 1-6; 12.1
Avengers Academy 1-6, 21-27
Avengers Annual 1
Avengers Assemble! 1
Avengers Forever 1-12
Avengers Prime 1-5
Avengers: The Initiative 1-35
Avengers: X-Sanction 1-5
Avengers: Under Siege 1-8
AVengers vs X-men #0 (on sale 3/28/12)
Civil War 1-7
Giant Size Astonishing X-Men 1.1-1.2
Heroes Reborn: Avengers 1-12
House of M 1-8
Mighty Avengers 1-36
New Avengers 1-60
New Avengers (2010) 1-6, 16.1-22
New Avengers Annual 1
New Avengers: Illuminati One-Shot
New Avengers: The Reunion
New Avengers: The Illuminati 1-5
New X-Men (2001) 114-154
New X-Men Annual #1
Secret Avengers 1-5, 12.1, 21.1-23
Ultimate Comics Avengers 1-6
Ultimate Comics Avengers vs. New Ultimates 1-6
Ultimate Comics Captain America 1-4
Ultimate Comics Hawkeye 1-4
Ultimate Comics Thor 1-4
Ultimate Comics X-Men 1-9
Ultimate Iron Man 1-5
Ultimate Iron Man II 1-5
Ultimate X-Men 1-97
Ultimate X-Men Annual 1-2
Ultimates 1-14
Ultimates 2 1-14
Ultimates 3 1-5
Uncanny X-Men 1-25, 307, 462-529, 534.1
Uncanny X-Men (2011) 1-9
X-Men (1991) 1-7, 157-207
X-Men (2010) 1-11, 20126
X-Men: Age of Apocalypse 1-6
X-Men: Deadly Genesis 1-6
X-Men: Legacy 208-263
X-Men: Phoenix Endsong 1-5
X-Men: Phoenix Warsong 1-5
X-Men: Regenesis
X-Men: Schism 1-5
X-Men: Second Coming 1-14
http://marvel.com/help/category/26/topic/121