Small scale, but a horizontally stretched Captain Howdy -- with the inlay effect deleted -- might match.

An excerpt with more detail showing most of the alphabet



Anyone have any suggestions as to very similar fonts? Note for example the rectangular _U_ and the sharp angle for the top stroke of _S_.

A similar font here at Dafont

Another similar font

Bike Font by Fontalicious

AFAIK no exact match to the embroidered letters.
Among similar fonts, Miss Scarlett Plain is about as close as I can find. Has matching mustache terminals but different other features.

also a wider version under the names Linotext
http://myfonts.us/td-Et4BKP
and Wedding Text
http://myfonts.us/td-0qNRtb

According to wikipedia, lettering for issues 1-19 was done by Robert Kirkman, and lettering for 20 to present was done by Rus Wooton.
https://en.wikipedia.org/wiki/The_Walking_Dead_%28comic_book%29
https://en.wikipedia.org/wiki/Robert_Kirkman
Perhaps a private font based on Robert Kirkman's lettering?
Robert Kirkman also worked at Marvel comics. Perhaps a Marvel font?

With hollow effect added for lower half

Mix of lower and upper _HeavenlY_ with modifications

Free version available here at Dafont

Custom weight. Custom _A_

Yes, distorted Wilhelm Klingspor Gotisch
Also under the name Wilhelm Klingspor Schrift http://myfonts.us/td-KJvbmY