Spider-Man: Homecoming Teaser Trailer #1 (2017): Check out the new Spider-Man: Homecoming teaser trailer starring Robert Downey Jr., Tom Holland, and Marisa Tomei! Be the first to watch, comment, and share trailers and movie teasersclips br Following the events of Captain America: Civil War (2016), Peter Parker attempts to balance his life in high school with his career as the web-slinging superhero Spider-Man.