The Sonic Movie 2 is set to enter production in March 2021 and is codenamed Emerald Hill - My Nintendo News

Documents found in a new filing on the Director’s Guild of Canada website have revealed that the Sonic the Hedgehog Movie 2 is due to enter production in March 2021 and is codenamed Emerald Hill.

Tag: sonic movie - My Nintendo News

Sonic Movie 2: Emerald Hill Zone REIMAGINED

Sonic the Hedgehog (1991 video game) - Wikipedia

Sonic the Hedgehog (1991), Sonic Wiki Zone

Production of Sonic Movie 2, Codename 'Emerald Hill', to Start in March 2021 - Media - Sonic Stadium

Sonic News, Page 5

Sonic Movie Sequel Scheduled To Start Production In March Next Year

Sonic the Hedgehog (1991), Sonic Wiki Zone

Here's when the Sonic the Hedgehog sequel is slated to release

Sonic the Hedgehog 2 Live-Action Movie to Begin Filming in March 2021 - Niche Gamer

Emerald Hill Zone (Unused Version) - Sonic the Hedgehog 2, SiIvaGunner Wiki