See also: 1951 in comics, other events of 1952, 1953 in comics, 1950s in comics and the list of years in comics
1952 saw, among other things, the launch of Mad Magazine.
Sensation Comics #109 (cover date May–June) cancelled by DC Comics
G.I. Combat (October)
Our Army at War (August)
Phantom Stranger (January/February)
Rex the Wonder Dog (January/February)
Star Spangled War Stories (November)
Journey into Mystery (Atlas Comics, June)
Patsy and Hedy (Timely Comics, February)
Space Adventures (Charlton Comics, July)
Strange Suspense Stories (Fawcett Comics, June)
The Thing! (Charlton Comics, February)
Thun'da (Magazine Enterprises)
Detective Chimp in The Adventures of Rex the Wonder Dog #4 (July), created by John Broome and Carmine Infantino - DC Comics
Firefly, in Detective Comics #184 (June), created by France Herron and Dick Sprang - DC Comics
Phantom Stranger in Phantom Stranger #1 (August), created by John Broome, Carmine Infantino and Sy Barry - DC Comics
Rex the Wonder Dog in The Adventures of Rex the Wonder Dog #1 (January), created by Robert Kanigher and Alex Toth - DC Comics
Gyro Gearloose, in "Gladstone's Terrible Secret," Walt Disney's Comics and Stories #140 (Dell Comics, May)
Robot Archie, in Lion #1 (Fleetway, 23 February)
Thun'da, in Thun'da #1 (Magazine Enterprises)
Uncle Scrooge, in Four Color Comics #386 (Dell Comics)
Linus van Pelt, in Peanuts (September 19)
Lucy van Pelt, in Peanuts (March 3)
1952 in comics Wikipedia (Text) CC BY-SA