(W/A) Various (CA) Bryan Hitch. The Avengers face their darkest hour as the metallic menace Ultron stands over a ravaged Earth in the AGE OF ULTRON COLORING BOOK. Only a few of Earth's Mightiest Heroes are left standing. And it's up to you to put the color back into their last ditch effort to save mankind! Featuring the line art of Bryan Hitch, Brandon Peterson, Carlos Pacheco and more, this is your chance to color inside the lines, or outside the lines, of this blockbuster Marvel event!