Screwball Love Story, by Sholio – Ant-Man (Movies) [Archive of Our Own] | https://archiveofourown.org/

Scott breathed deeply of her lightly floral-scented hair and it occurred to him that he had never known how to get along without Maggie, and now he had the awkward problem of not being able to imagine his life without Jim Paxton either, which was really difficult in situations like this.

Source: Screwball Love Story, by Sholio – Ant-Man (Movies) [Archive of Our Own] | https://archiveofourown.org/

I just had this sudden need for a happy threesome fic, and this one delivers oh so sweetly.