1. A return or arrival to one's home.
2. An annual event held at high school, college, university, etc., to welcome returning alumni.
EX. The homecoming of the original Star Wars cast, to the franchise and fanbase that they built in the first three Star Wars is increasingly looking to be the biggest cinematic feature of the year and, keep this in mind, this is despite The Avengers sequel that is just over the horizon. I am still, significantly, more hyped for a new Star Wars film.
Please don't mess this up J.J.!