Batman: Detective Comics Vol. 3: Arkham Rising

"When the terrorist organization known as The Red Crown took control of Mayor Nakano's personal security detail, only the Batman could protect Gotham's highest-ranking city official from certain death. But when the pair is thrust into the sewers below, a much more sinister threat lurks in the darkness. Better look sharp, Batman, because a hundred thousand eggs with a hundred thousand little monsters inside are about to hatch--and they look hungry. And outside of the sewers, the city streets being overtaken by larger, (somehow even more) horrific creatures"--