Horror Comics

Adventures into Terror (1950-1954)
Tower of Shadows (1969-1971)
Chamber of Darkness (1969-1970)
Adventure into Fear (1970-1975) ↔ Fear (1970-1975)
Creatures on the Loose (1971-1975)
Tower of Shadows Special (1971)
Chamber of Chills (1972-1976)
Supernatural Thrillers (1972-1975)
Vault of Evil (1973-1975)
Giant-Size Chillers (I) (1974)
Giant-Size Creatures (1974)
Giant-Size Chillers (II) (1975)
Marvel Chillers (1975-1976)
The Official Handbook of the Marvel Universe: Horror 2005 (2005)

Tomb of Terror (2010)

Reprints:

Chamber of Darkness Special (1972)

Crypt of Shadows (1973-1975)

Tomb of Darkness (1974-1976)

Masters of Terror (1975)

Essential Marvel Horror (2006)

 

See also:

Dead of Night series

Haunt of Horror series

Monster comics

Zombie comics