– After Jungkook's performance at the Global Citizen Fest in New York City on September 23, a mysterious video clip with "Jung Kook" and "3D" appeared on a large stage screen, leaving everyone puzzled.
– Then, on September 24, Jungkook's label, Hybe (formerly known as Big Hit), announced that fans would be receiving another solo track from the maknae (youngest member of the group in Korean) of BTS.
– Hybe posted two videos titled "Jungkook 3D Hero Film" on their official YouTube Channel, clarifying the confusion and giving the audience a glimpse of what to expect.
The track is titled "3D" and features American rapper and singer Jack Harlow.
– The official teaser was released on September 27, and fans eagerly await the official release on September 29.