
#1
Dec 1945
1st appearance of Baby Marvel
Catalog data from Metron and the Grand Comics Database is licensed CC BY-SA 4.0 and was normalized by The Collector. Cover images belong to their publishers.
#2
Jun 1946
First appearances, origins and turning points, led by the debuts of the characters who appear most across the catalog.

#42
Dec 1949
1st appearance of Time Master

#28
Oct 1948
1st appearance of Creighton Tinkerman

#48
Jun 1950
1st appearance of War]

#36
Jun 1949
1st appearance of The Fireballs

#24
Jun 1948
1st appearance of Yergo family

#22
Apr 1948
1st appearance of Mr. Who

#15
Sep 1947
1st appearance of Triangle

#78
Dec 1952
1st appearance of Red Vulture

#30
Dec 1948
1st appearance of Presto

#82
Apr 1953
1st appearance of the Ice King

#7
Dec 1946
1st appearance of The Three Faces of Evil

#63
Sep 1951
1st appearance of Kozz
Who made the most issues of this run, with the issues they span.
Who appears most often in this run, by issues they appear in.
Characters who debut here, led by those who appear most across the catalog. 52 in all.
Information on Fawcett Comics' annual sales of Marvel Family from 1945 to the mid-1950s is taken from the book "Juvenile Delinquency" (from 1950).
CIRCULATION DATA 1946 - 1,843,985 1947 - 4,217,828 1948 - 4,821,353 1949 - 4,259,444 1950 (First 6 months) - 1,978,441
From the Grand Comics Database.