Article on IGN
“Speaking to Redbull, Josh Holmes confirmed the company is planning to support the multiplayer for years to come, though this will come at the expense of any additions to the game’s story.
“While we’re always looking for new ways to expand the Halo universe, we do not currently have any plans to release future campaign content for Halo 5: Guardians,” he said.”
I was really hoping for something like Spartan Ops Season 2.