Odin (Book of the Dead, 1 page)
Ogun (Wolverine, 2 pages)
Omega Red (Arkady Gregorivich) (Wolverine, 1 page)
Omega the Unknown (Model X3Z) (Book of the Dead, 1 page)
Harry Osborn (Book of the Dead, 1 page)
Liz Osborn (Spider-Man '05, 1 page)
Owl (Leland Owlsley) (Daredevil, 2 pages)
Any Additions/Corrections? please let me know.
All other characters mentioned or pictured are and © 1941-2099 Marvel Characters, Inc. All Rights Reserved. If you like this stuff, you should check out the real thing!
Please visit The Marvel Official Site at: http://www.marvel.com/
Please visit the Unofficial Appendix Site too, compiled by many of the Official Handbook writers and friends.