According to Deadline, Attah's role hasn't been disclosed. He'll be joining Tom Holland, Robert Downey Jr., Michael Keaton, Zendaya, Michael Barbieri, Kenneth Choi, Tony Revolori, Marisa Tomei and many others for the film.
Jon Watts ("Clown") is directing, from a script by "Vacation's" Jonathan M. Goldstein and John Francis Daley. Daley co-starred with "Silicon Valley's" Martin Starr, who also happens to be appearing in the film, on "Freaks and Geeks."
Production on "Spider-Man: Homecoming" is currently underway in Atlanta for a July 7, 2017 release.