This is not my design. It was created by Kyle Emerick and is available on his website sandyeggo.com.
I did this for a neighbourhood kid who is a comics nut. It is about 14" in diameter. It’s carved to a maximum of .125". I used a 1/4" tapered ball nose (from Sienci) to carve the larger parts. Then a 60° V bit (also from Sienci) to do all the rest. Finally, I used a 1/4" down cut end mill (guess there is bought it) to cut it out. All told, the project took just under 2 hours, to complete, including bit changes.
Painting was a pain. The material is 3/4" melamine-coated MDF. I smudged (technical term) red acrylic paint into the carve a bit at a time, and wiped it off the white with a dry paper towel. When the red was dry, I went over it again with an alcohol-dampened rag to get off the red haze.
The level of detail of Kyle’s designs really is incredible.