Helga was recruited and emotionally manipulated by Frau Bulle, and trained at Leipzig, to become a deadly Hinrichten agent. Domino II's first encounter with Blackhawk ended with her arrested and in Allied custody.
- This version of Domino II (Earth-One), including all history and corresponding appearances, was erased from existence following the collapse of the original Multiverse in the 1985–86 Crisis on Infinite Earths limited series. Even though versions of the character may have since appeared, this information does not apply to those versions.
- 3 Appearances of Domino II (Earth-One)
- 2 Images featuring Domino II (Earth-One)
- Quotations by or about Domino II (Earth-One)
- Character Gallery: Domino II (Earth-One)