In “Pilgrims” part 2, Mulder and Scully’s adventures in Saudi Arabia continue from issue #11 while Joe Harris resurrects old foes and plot points, but also now has enough material at his disposal that he starts making plot references from within Season 10.
This is also issue #12: Season 10 is now 1 year old! Although story-wise the end of the first “volume” would correspond more to #15, with the end of the current arc, this is a landmark date — and already writer Joe Harris is teasing fans with things on “year 2”!