I have a vague recollection of a Green Arrow graphic novel, probably a series, with a Japanese assassin (I assume Shado) and a son. I remember it taking place in Japan, and having little or no dialogue.
I must have read this as a teenager (I'm 45) and it made a real impression, but I never read any other Green Arrow, and Googling this topic has been less than satisfactory.
It sounds like it might be from a run in the 80's (timing is right) but based on their descriptions, they don't sound quite right. I would dearly love to find these again. Any help would be appreciated!