Definitely not. Ghost is a figment of the imagination of the game creators. There's no real-life basis for this character in the Call of Duty franchise.
Well, it could be a story about self-reflection and inner conflict. The call could trigger a journey of self-discovery and facing hidden fears or desires.
There are numerous 'old lady 911 call stories' out there. It could be about an old lady calling 911 for medical help, like she had a heart attack or fell and couldn't get up. Or perhaps she witnessed a crime and called 911 to report it. Without more information, it's hard to tell the exact story.
It has various origins. In some European cultures, it might be related to local folklore and superstitions passed down through generations. For example, in some regions of England, there are stories of white ladies haunting old castles.
The origin of the 'the blue lady ghost story' might be tied to a specific historical event or location. For instance, if there was an old building that had a history of a young woman dying there under strange conditions. People might have started to tell the story of the blue lady as a way to explain the strange noises or apparitions they thought they saw in that building over time. It could also have been inspired by a real - life figure whose story got distorted over the years and turned into a ghost story.
There's no way to know for sure without more details about the story. She could be a woman who met an untimely death and now her spirit is green - tinted for some reason related to her death or her past.