- Galactic Guardians (1994)
- Galactus The Devourer (1999)
- Gambit (All Titles)
- Gargoyle (1985)
- Gay Comics (1944, Atlas)
- Gay Comics Vol #2 (1944, Atlas)
- Gen 13/Generation X (1997, Image)
- Gene Dogs (1993–1994, Marvel UK)
- Generation Hex (1997, Amalgam Comics)
- Generation Hope (2010-current)
- Generation M (2006)
- Generation Next (1995)
- Generation X (1994–2001)
- Generation X Holiday Special (1998)
- Generic Comic, The (1984)
- Genetix (1993, Marvel UK)
- GeNext (2008)
- GeNext - United (2009)
- Georgie Comics (1945–1948, 1949–1952, Gem Publications)
- Ghost Rider (All Titles)
- Giant-Size Astonishing X-Men (2008)
- Giant-Size Avengers, Vol. 1 (1974–1975)
- Giant-Size Avengers, Vol. 2 (2008)
- Giant-Size Avengers/Invaders (2008)
- Giant-Size Chillers (1974)
- Giant-Size Chillers (1975)
- Giant-Size Conan (1974)
- Giant-Size Creatures (1974)
- Giant-Size Daredevil (1975)
- Giant-Size Defenders (1974)
- Giant-Size Dracula (1974–1975)
- Giant-Size Fantastic Four (1974)
- Giant-Size Iron Man (1975)
- Giant-Size Invaders (1975)
- Giant-Size Kid Colt (1975)
- Giant-Size Man-Thing (1974–1975)
- Giant-Size Master of Kung Fu (1974)
- Giant Size Rune (1995, Malibu)
- Giant-Size Spider-Man (1974–1975)
- Giant-Size Spider-Woman (2005)
- Giant-Size Super-Heroes (1974)
- Giant-Size Super-Stars (1974)
- Giant-Size Thor (1975)
- Giant-Size Werewolf (1974)
- Giant-Size X-Men (1975)
- G.I. Joe and the Transformers (1987)
- G.I. Joe: A Real American Hero! (1982–1994)
- G.I. Joe: European Missions (1988–1989) (known as "Action Force")
- G.I. Joe: Order of Battle (1986–1987) (The Official G.I. Joe Handbook)
- G.I. Joe: Special Missions (1986–1989)
- Girl Comics, Vol. 1 (1949–1952, Atlas Comics)
- Girl Comics, Vol. 2 (2010)
- Girl Confessions, Vol. 1 (1952–1954, Atlas Comics)
- Girls' Life (1954, Atlas Comics)
- Godwheel (1995, Malibu)
- Godzilla (1977)
- Gorilla Man (2010)
- Gravity (2005)
- Great Lakes Avengers (2005)
- Green Goblin (1995–1996)
- Groo the Wanderer (1985–1995, Epic)
- Guardians of the Galaxy, Vol. 1 (1990–1995)
- Guardians of the Galaxy, Vol. 2 (2008-current)
- Gunhawks, The (1972)
- Gun Runner (1993–1994, Marvel UK)
- Gunsmoke Western (1955–1963, Atlas Comics)
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