All-New Atom #21

Shrinking uncontrollably, the Atom discovers his blood houses a population of microscopic, matter-consuming creatures that may hold the very secrets to his powers! When one of the inadvertently enlarged alien bugs escapes his lab, can The Atom save the citizens of Ivy Town from the touch of the thing from within?

Image: All-New Atom #21 - DC Comics

All-New Atom #21