O.M.A.C.
Issue/Copy Information: 1
Box or Other Location: 66
Obnoxio the Clown
Issue/Copy Information: 1
Box or Other Location: 105
Ocean
Issue/Copy Information: 1, 2
Box or Other Location: 134
Official Handbook of the Marvel Universe
Issue/Copy Information: 3
Box or Other Location: 61
Omega Men, The
Issue/Copy Information: 2, 4, 7
Box or Other Location: 66
Omega the Unknown
Issue/Copy Information: 1, 8
Box or Other Location: 66
One Hundred and One Dalmatians
Issue/Copy Information: 1
Box or Other Location: 108
Onslaught: Marvel
Issue/Copy Information: 1
Box or Other Location: 61
Open Space
Issue/Copy Information: 0
Box or Other Location: 66
Orbiter
Issue/Copy Information:
Box or Other Location: Graphic novels
Origin of the Defiant Universe
Issue/Copy Information: 1
Box or Other Location: 27
Orion
Issue/Copy Information: 1 (2 copies), 2, 4, 5
Box or Other Location: 66
Orion
Issue/Copy Information: 6 (2 copies), 7 (2 copies), 8 (2 copies), 9 (2 copies), 10, 11 (2 copies), 12 (2 copies), 13 (2 copies)
Box or Other Location: 112
Orion
Issue/Copy Information: 1, 2, 3 (2 copies), 4, 5
Box or Other Location: 108
Orion
Issue/Copy Information: 14 (2 copies), 15-21, 22 (2 copies), 25
Box or Other Location: 120
Others, The
Issue/Copy Information: 1
Box or Other Location: 66
Out of the Vortex
Issue/Copy Information: 1, 2, 4, 10
Box or Other Location: 66
Out of the Vortex
Issue/Copy Information: 10-12
Box or Other Location: 98
Out There
Issue/Copy Information: 1
Box or Other Location: 112
Out There
Issue/Copy Information: 2-7, 8 (2 copies), 9-14
Box or Other Location: 121
Out There
Issue/Copy Information: 15018
Box or Other Location: 128
Out There: The Evil Within
Issue/Copy Information:
Box or Other Location: Graphic novels
Outcasts
Issue/Copy Information: 1 (2 copies)
Box or Other Location: 66
Outlaw Nation
Issue/Copy Information: 1 (2 copies), 2-9
Box or Other Location: 112
Outlaw Nation
Issue/Copy Information: 10-16, 17 (2 copies), 19
Box or Other Location: 121
Outsiders
Issue/Copy Information: 1-5
Box or Other Location: 128
Outsiders
Issue/Copy Information: 6-9. 10 (2 copies), 11-17
Box or Other Location: 134
Outsiders (first series)
Issue/Copy Information: 1
Box or Other Location: 66
Outsiders (second series)
Issue/Copy Information: 0, 1 (2 copies), 2-4, 6-13, 16, 17, 19-24
Box or Other Location: 66
Over the Edge
Issue/Copy Information: 1
Box or Other Location: 66