Amber Eyes (TWD Spinoff)

The Walking Dead gets a new mystery character. A woman, 5'8", dark red hair, freckles, prominent hourglass figure with wide hips and shoulders, muscles toned, and with a back story so cruel it would later bring a love interest to tears even though he seems deeply detached emotionally and cruel.
Even though knowing how to disassemble, clean, build, fire with extreme precision, and customize just about any firearm; a hunting bow she handmade with arrows fletched by her is the only long range weapon she'd ever use by choice and preference. Being advanced in multiple martial arts and traditional weapons, she's lethal in long range and close combat.
JB Ambers, a 35 year old women a jack of all trades and master of many; including but not limited to, holistic medicines and foods, traditional combat methods from across the world, firearms, mechanics, hunting/tracking, and even making her presence completely unknown and silent; once a traveler all over the world hungry for knowledge, facing her home country in an apocalypse told about only in movies and comics with a devastated and untrusting soul meets a group of people without them knowing she's even there.
Will she make it in a dead man's world, or be eaten by the same people she attempts to protect?