Jillian had picked the image based upon the Captain's shield, so it's fitting that it's the part of the image that appears on the front cover.
Other contributors include:
Ryan Cody
Chris Crainey
DennMann
Brad Dwyer
Matt Goodall
Joshua Green
Rob Hicks
Sam Laggren
Eric Mengel
Justin Miller
Ernie Najera
Christopher Ness
Jeff Pina
Tom Scioli
Scott Serkland
Eric Schock
Scott Shehi
Al Sparrow
Derrick "Dadicus" West
The comic will be debut on August 31 as[...]