Hey does anybody remember the question why can’t I find anything on here? Also if you have anything related to him I always did find him interesting.
Somebody light the Hub Signal!
Until HubCityQuestion can get in here and can answer you thoroughly, off the top of my head, ‘52’ is here on DC Universe, and The Question was deeply involved in that maxi-series.
They list key issues for the different Questions: https://dc.fandom.com/wiki/Question
I’d search out his own series (late 80’s-early 90, somewhere in that time) & I would point you to Justice League Unlimited animated series. They did a great job with him in that.