A new Avenger finally makes herself known.
Words: 653, Chapters: 1/1, Language: English
- Fandoms: Marvel Cinematic Universe
- Rating: Teen And Up Audiences
- Warnings: Creator Chose Not To Use Archive Warnings
- Categories: Gen
- Characters: Tony Stark, Steve Rogers, Natasha Romanov (Marvel), Reader
- Additional Tags: flash fiction Friday, FFF 273, Invisible Guest, Supposed Haunting, Mutant OC, Mutant Powers, POV Tony Stark, Sassy Reader