Overview

• Diesel wrote that he is deep in development and writing, saying he read The Arbor King to his family as the long‑awaited story of Groot’s return to Planet X.
• The Instagram post included key art showing an unfamiliar version of Groot beside what looks like an older Hulk, though its direct relevance to the plot is unclear.
• If greenlit, the project would be the first MCU feature centered on Groot, with some coverage speculating it could alternatively be a Special Presentation.
• Reporting ties the tease to comics such as Infinity Countdown and the 2023 Groot prequel, suggesting—speculatively—elements like the Gardener and potential appearances by Rocket and Star‑Lord.
• Diesel has voiced Groot across six MCU films and multiple Disney+ projects, reinforcing his close creative association with the character.