How many photos are suitable for comic exhibition?

Two. There will be other photos for you to return. Don't need many photos. Take two photos at random, retouch the picture, and find the shooting location. If you want to be satisfied with the scene, you need to make an appointment to take pictures in advance, and the photographer's skill will also determine the quality of the scene. The day before going to the exhibition, you can search for fan pictures, put on actions, or ask the photographer to think about actions in advance.