Till the end of the line

The year is 1939. As war begins spreading through Europe, Hydra scientist Johann Schmidt begins his search for the tesseract - an element not of this world that could power Dr Zola's weapons and help win the war.
Freya Odensdottir, sister to Loki and Thor and the last remaining Valkyrie has sworn an oath to protect the realms against the power of the Space stone hidden inside it, and so journeys to Earth to ensure its protection. What happens when she meets a handsome Sergeant preparing to fight in the 107th infantry and his charming friend? Could they become the team the allied army is desperately in need of?