The Wrap reports Laura Harrier, known for One Life To Live, has been cast in a significant role, which is currently unknown.
The report also mentions Tony Revolori is playing a friend to Peter Parker. The previous report stated a nemsis/enemy.
Spider-Man: Homecoming has a July 7, 2017 release directed by Jon Watts starring Tom Holland, Marisa Tomei as Aunt May and Zendaya as Michelle.
Tom Holland first appears as Spider-Man in next month's Captain America: Civil War.