Nova #24 (1976) - 6.0 FN *The New Champions*
Nova #3 (1976) - 6.0 FN *1st Appearance Diamondhead*
Nova #3 (1976) - 8.0 VF *1st Appearance Diamondhead*
Nova #6 (2007) - 9.4 NM *Adi Granov Gamora Cover*
Nova #9 (1976) - 9.2 NM- *Fear the Funhouse*
Omega Men #12 (1983) - 9.2 NM- *Heartaches and Heartbreaks*
Omega Men #13 (1983) - 9.6 NM+ *The Sacrifice of Security*
Omega Men #14 (1983) - 9.2 NM- *Confessions*
Omega Men #15 (1983) - 9.2 NM- *Under Siege*
Omega Men #16 (1983) - 9.2 NM- *Labyrinth of Lost Souls*
Omega Men #17 (1983) - 9.2 NM- *Replicave Seeking*
Omega Men #18 (1983) - 9.2 NM- *The Primus Army*
Omega Men #22 (1983) - 9.2 NM- *Between the Motes of Nimbus*
Omega Men #24 (1983) - 9.2 NM- *Okarra*
Omega Men #7 (1983) - 9.0 VF/NM *The Way It Began*
Omega Men #9 (1983) - 9.2 NM- *Kalista-Once and Future Queen*
One #1 (1985) - 9.0 VF/NM *Cool Rick Veitch Cover* Marvel Epic
Onslaught Marvel Universe #1 (1996) - 9.6 NM+ *With Great Power*
Original Sin #3.1 (2014) - 9.0 VF/NM *Hulk Vs Iron Man*
Original Street Fighter #1 (1993) - 7.0 FN/VF *Alpha Productions One Shot*
Our Army at War #173 (1951) - 2.5 GD+ *Easy's Hardest Battle* Sgt. Rock