MRdumful | 18 points
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This reading order covers The Question (Vic Sage/Renee Montoya). Also includes Identity Crisis and Infinite Crisis which help provide context for 52.
update (Jan. 2, 2018): 52 047-050 did not finish uploading but are now done.
update (Jan. 24, 2018): Added "Convergence - The Question" which was released in 2015 but stars 2011 era The Question.