Each issue of Dark Knight III: The Master Race will come with a standalone mini-comic, and the first issue will have one by Frank Miller about the Atom. Here's a preview via CBR.
Dark Knight Universe Presents: The Atom #1
Written by Frank Miller & Brian Azzarello
Pencils by Frank Miller
Inks by Klaus Janson
Colors by Alex Sinclair
Letters by Clem Robins
Cover by Frank Miller & Alex Sinclair
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