(Screenshot of Luffy with the scar on his chest, or Rayleigh smiling, or the "3D2Y" tattoo on his arm).
Is it canon movie? 3D2Y is not considered canon as it was not written nor supervised by Oda. One Piece Film Z (2012) - IMDb
While the "3D2Y" flashbacks happen in the main anime (Episode 507), this 108-minute special gives you the of Luffy’s training during the timeskip.
The "One Piece 3D2Y: Red Letter Day" movie, also known as "One Piece 3D2Y: A Red Letter Day," is a 3D animated film that premiered in Japan on August 8, 2008. The movie was later dubbed into English and released in the United States on April 13, 2012.
: It is often included in the library of platforms that host One Piece , such as Crunchyroll or Funimation, though availability may vary by region.
The dub leans into camp for World’s subordinates (particularly Kanshō and Bushō, voiced by Ian Sinclair and Chris Rager respectively), creating a tonal dichotomy: while Luffy’s trauma is treated earnestly, the villainous crew is localized with self-aware humor. This approach divided critics but ultimately mirrored One Piece ’s broader tonal balance.