|For the real world Billy Koenig, see Billy Koenig.|
- "But then, a couple years back, a brave agent named Billy Koenig gave his life getting me the location."
Following HYDRA's rise to power, Koenig uncovered the location of a Strategic Scientific Reserve facility known as the Playground. Sometime after giving Patriot the base's location, Koenig was killed.
Community content is available under CC-BY-SA unless otherwise noted.