The folks over at Omega Undergroundhave uncovered what is believed to be an audition video for a role in the upcoming sequel to Spider-Man: Homecoming, and that role is Peter Parker's other love interest from the comics, Gwen Stacy (played previoulsy by both Bryce Dallas Howard and Emma Stone).
The video shows an unknown French actress by the name of Louna Fournier reading through a couple of different scenes, one with Peter and the other with Gwen's father, Captain George Stacy.
Of course, it's entirely possible that this was simply an open casting call and the role is up for grabs to everyone, but there's also a chance that the character has been written with a specific nationality/ethnicity in mind. OU theorizes that Gwen might be a new European exchange student at Parker's school.
Whatever the case may be, it seems like a safe bet that Gwen and her father will be introduced in the sequel.