USA Comics (1941-1945)
Uncanny Tales (I) (1952-1957)
Unknown Worlds of Science Fiction (1975)
Unknown Worlds of Science Fiction Giant Size Special (1976)
U.S.1 (1983-1984)
Untamed (Epic -Heavy Hitters) (1993)
Uncanny Origins (1996-1997)
Ultragirl (1996-1997)
Startling Stories: Fantastic Four - Unstable Molecules (2003)
Urban
Legends Poster Book (2003)
Underworld (2006)
USA Comics 70th Anniversary Special (2009)
The United States of Murder Inc. (Icon Comics) (2014)
Civil War II: Ulysses (Infinite Comic) (2016)
Reprints:
Uncanny Tales (II) (1973-1975)