Question 1

Where is  B4F Jingumae Crossing Gate?

Accepted Answer

B4F Jingumae Crossing Gate is in Shibuya, Tokyo, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Jujutsu Kaisen 2 does  B4F Jingumae Crossing Gate appear in?

Accepted Answer

B4F Jingumae Crossing Gate appears in EP8 of Jujutsu Kaisen 2.

Question 3

Can I visit  B4F Jingumae Crossing Gate?

Accepted Answer

Yes.  B4F Jingumae Crossing Gate is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was Jujutsu Kaisen 2 filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and  B4F Jingumae Crossing Gate is one of those real places (EP8).