New Stadium characters are being added season by season , with Blizzard’s roadmap showing additions across Seasons 17, 18, and beyond, rather than on one single date. The clearest public guidance says Stadium’s roster keeps expanding through upcoming seasonal updates, and one source projected the full roster could be available by around Season 24 , roughly August 2026.

What that means

  • Blizzard confirmed Stadium is getting ongoing hero additions in future seasons.
  • Public roadmap coverage showed new heroes arriving in Season 17 and Season 18, with more after that.
  • A later roadmap-style report suggested the full roster may be in Stadium by Season 24 if the cadence continues.

Practical answer

If you’re asking “when is the next new character coming to Stadium?”, the answer is: with the next seasonal Stadium update , not as a separate standalone release. The exact timing depends on Blizzard’s current seasonal schedule and balance plans, but the public pattern points to hero additions landing in scheduled season patches and midseason updates.

TL;DR

Stadium characters are added regularly in seasonal updates , and the most widely reported roadmap suggested the roster could be nearly or fully expanded by Season 24 / around August 2026 if Blizzard keeps the same pace.