U (misc.)

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)

Civil War II: Ulysses (2016)