As you can see, this symbol was quite different
than it would become upon publication, with the exception of the cover of
Action #1. Close inspection of superman's costume on the cover reveals
that this was the same costume, boots/straps and symbol (this image was taken
from Famous First Edition C-26, and we enhanced the coloring to follow the
actual lines drawn for the symbol and the boots to clarify the image).

A
representation of the first symbol (click here) in its earliest form
provided for
comparison. This shield represented something akin to the
shape of a police officer's badge (which would later become the shape of the hand-held shield of a later hero known as "The Guardian", who was a police officer in his secret identity - but
that's another story...).
Jerry Siegel and Joe Shuster had intended Superman as a comic strip character, but had been turned down by numerous syndicates. When they prepared Superman for his first comic book appearance, Joe cannibalized the strips and reoriented them into page form with slight adjustments for the difference in medium.
Superman saw newspaper publication a year after his first comic book appearance and his appearance was similar, but you can see from the examples below that there was a considerable difference in the quality of reproduction. Superman's symbol takes on a triangular appearance in the pages of Action Comics,
newspaper comic strips and the first few issues of Superman Comics.
Superman only saw six other covers of Action Comics for the next 20 issues, one of which was a bit of a misrepresentation of his costume. The next time we see him on the cover of Action #7, his symbol appears more like that on the inside pages. This was further in evidence as late as 1940.

Click for a detail of Action #7.
Here are the covers of Superman #1 and #4, which is the last appearance of the symbol in this form on a Superman cover.

Click for a detail of Superman
#1.

Click for a detail of Superman
#4
Here
is a representation of the symbol as it was published circa 1938.
Once Shuster had a studio with other artists,
the symbol became a bit less sketchy (although, only slightly less so) and had
a larger presence in Superman's costume. Take a look at Superman #6:

Click for detail of Superman
#6.
Alex Ross is a tremendous fan of this
particular symbol and has used it in his representation of Superman #1, as
well as using the above cover as the model for the statue he designed for The
Ultimate Superman Collection:

Click for detail of Alex
Ross's Superman #1.
And
here is a representation of the First Stylized Superman Symbol.
Below is the version that was
used around 1940 when the Fleischer Studios began their cartoon shorts of
Superman, as seen here with black in place of the typical yellow coloring in
the negative space and surrounded by yellow, rather than red:
Here
is a representation of the Fleischer/Black Symbol. While the black
background and yellow diamond could have simply been an artistic preference,
it appears to be an application of the Superman #4 cover symbol (see above),
which appeared around the same time as the first Fleischer films. [Note: Comic
book cover dates are much later than their actual appearance on the
newsstands, as many newsstands pulled books based on their cover dates.]
This approximate symbol also appeared as that used on the cover of a reprint
reissue volume of Superman's comic strip adventures.
There were several versions of the symbol as it
continued to be published. This cover by Paul Cassidy, published August
1940, was the first cover depiction of the next most popular version of the
symbol (as Joe Shuster drew less and less cover figures and his
"ghosts", like Fred Wray, John Sikela and Wayne Boring began to work more and further into
their own style). This
symbol had a bit larger "S" than is shown in most stories, but it is
far more difficult to get a clear shot of the symbol on interiors, so this
cover from Action #26 serves as the first cover appearance of this symbol.
Superman #7 follows suit, but mixes up the colors!

Click for detail of Action
#26.

Click for detail of Superman
#7.
The
symbol as it appeared at that time in the comics, circa 1940. Note that there are no borders on
the ends of the "S", as this is the way it appeared regularly in
print in the interiors.
This was much closer to the current version, however, in late 1940, it underwent another odd change that went a bit further away from this version. The National Comics offices had a painting of Superman by H.J. Wray. I have seen photos taken in these offices that provided a sort of "before and after" version of Superman's symbol. Initially, the symbol
appeared in the inverted triangle form, however, later, the very same painting
had a much more elaborate version of the emblem. With this painting in the offices, there was an on-hand reference for those artists visiting the publisher.
That painting as it appeared on Limited Collectors' Edition C-31:

Here is a
representation of this version of the symbol in color.
With Superman #9 and #11, published in 1941, a difference from the initial triangle shield
began to take
form. The symbol appeared differently again and this is how the Golden Age symbol
was typically represented when artistic reference was used for the Golden Age/"Earth-2" Superman
being depicted:

Click for detail of Superman
#9.

A
representation of the Golden Age emblem in color.
That version of the symbol appeared on covers through
December, 1943.
Some Fred Wray covers also had a different serif, more
closely resembling the painting by H.J. Wray, such as Superman #12.

Click for detail of Superman
#12.
There was one further evolution, which may have been due to
National realizing that this property had "legs" and was going to be
around for awhile. In order to be able to keep a property in publication
for longer than 75 years, one would have had to trademark part of that character's
appearance. Disney did it with Mickey Mouse and Superman was much easier
to pull off, due to the emblem on his chest. In 1944 - the very
next issue after Superman 25 - the trademarked version of the symbol appeared.

Click for detail of Superman
#26.
Probably the most popular Superman artist of all time still
had to be Curt Swan, whose work is depicted here.

Click
here for the symbol as the general public became accustomed to seeing it.
And we can't forget what an impact "Crisis on Infinite Earths"
had on the DC Universe back in 1985. The last page of the first
series of John Byrne's Superman depicted the symbol thusly:

The symbol as it was
presented from the John Byrne era on.
For comparison's sake, we've provided a collage of all these
symbols. A Contrast
from one period to another.
As mentioned previously, Superman has been Alex Ross's favorite character and Kingdom Come, like any story about heroes in the DC Universe, was a Superman story. When Superman
reappeared, his symbol took another turn in it's constant morphing. Alex was quoted as indicating that he had always liked the way the Fleischers used black in the negative areas, so he created a deceptively simple design utilizing that idea.
The symbol
as it was presented by Alex Ross in "Kingdom Come".
Think that the TV and Movie representations were
perfect? Think again! Each, individually, has been the industry's best
tries to date, with the
exception of "Superman Returns". George Reeves had a laudable
try in "The Adventures of Superman" on television (the same suit was
originally used in the Kirk Alyn serial).

Here is a
representation of the symbol taken directly from a head-on photo of this
original costume.
Christopher Reeve had another very close attempt in the
"Superman" movies.

Here is a
representation of the symbol taken directly from a head-on photo of this
original costume.
Even closer was the symbol from the late, great TV series,
"Lois & Clark: The New Adventures of Superman", in which Dean
Cain played the titular male character.

Here's a representation of
that selfsame emblem, using the same colors as the outfit.
As we neared the premier of "Superman Returns", we were consistently reminded of the importance of Superman's symbol. The trailers and teasers utilized it repeatedly and it
stirred the emotions of moviegoers and
web-surfers everywhere. While previous live- action versions of Superman in film or television
had not quite perfected the art of the "S" shield, this one tried a new tactic by going with a plastic relief (3-D) version that
was not only on his chest, but they included one on his belt... okay, maybe
not a very good choice.
The version used in the 2006 movie "Superman Returns".
And, finally, the new version being used in "The Man of
Steel"
I hope you enjoyed this complete waste of your time - I sure
did!
Brian G. Philbin