When seeking a safecracker for the Götterdämmerung heist, Maria Cruz led Scott Ward to Gwendoline's, where they found Ludwig Dieter. They spoke with him about their mission to crack the Götterdämmerung, which happened to be Dieter's dream, and so he happily joined them.
- While very little is currently known about Gwendoline, her connection to Ludwig Dieter prior to the events of Army of the Dead in combination with the fact that he works at a business with her name in the title suggests that she is the owner, or at least the namesake of the company.
- In Army of the Dead, Scott Ward and Maria Cruz went to Gwendoline's to recruit Ludwig Dieter. They did this the day of the meeting with Bly Tanaka about the Götterdämmerung heist. Both the meeting location and their homes were in Albuquerque and they rode out as if on a simple errand rather than an out-of-city excursion, indicating Gwendoline's must also be in Albuquerque.
- Shay Hatten, Zack Snyder, Joby Harold (writers) & Zack Snyder (director) (May 14, 2021). Army of the Dead.