When the invaders of Earth-X crash the wedding of Barry & Iris, they are stumped by the two men ruling over their doppelgangers. Only Felicity is horrified to realize that her superhero friends will need the help of the Winchesters to stop this invasion. [Post SPN 13x08; during ArrowVerse 3x08, 6x08, 4x08, 3x08]. Plz R&R!
Rated: T - English - Supernatural/Adventure - Chapters: 3 - Words: 4,385 - Reviews: 22 - Favs: 39 - Follows: 62 - Updated: 2/28 - Published: 1/24 - Sam W., Dean W., Oliver Q./Arrow/Green Arrow, Felicity S./Overwatch