SS

{{y/n}} is Tony’s sister. Well adopted sister. Howard found her as a child at an abandoned hydra facility when Tony was a teenager and took her in raised her as his own but she knows about her story. The world knows her as {{y/n}} stark but no one knows she is also The Ghost agent, fury’s top asset apart from Tony, pepper, Loki, fury and happy. But Bucky doesn’t know they all know.