Marvel’s late 2016 and 2017 event-sized battle royale between the Inhumans and the X-Men has roots all the way back in 2013’s Infinity event from writer Jonathan Hickman.
The impact of Infinity and its impact on the world of mutants didn’t become clear until after 2015’s Secret Wars, though, as All-New All-Different Marvel comics made it clear the Inhumans Terrigensis clouds roaming the globe were toxic to mutants. Although these transformative clouds were turning latent Inhumans into powered beings – Ms. Marvel likely the most notable among them – they were also building to a genocidal conflict between two of Marvel’s groups of heroes.
Since Inhumans vs. X-Men has been so rooted in Marvel continuity for a number of years, I include much of the build-up that will prepare you for the event below, and then follow with the actual event tie-ins and crossover issues.
Previously: Civil War 2
Related: Inhumans Reading Order
Related: X-Men Reading Order
Inhumans vs. X-Men Trade Reading Order
Collects: Extraordinary X-Men #17 to #20
Collects: All-New X-Men #17 to #20
Collects: Uncanny X-Men #16 to #19
Inhumans vs. X-Men Prologue: How Did We Get Here?
Extraordinary X-Men Vol. 1: X-Haven (Extraordinary X-Men #1 to #5)
Uncanny X-Men: Superior Vol. 1: Survival of the Fittest (Uncanny X-Men #1 to #6)
Uncanny Inhumans Vol. 1: Time Crush (Uncanny Inhumans #0 to #4)
All-New Inhumans Vol. 1: Global Outreach (All-New Inhumans #1 to #4)
Civil War II: X-Men #1 to #4
Extraordinary X-Men Vol. 3: Kingdoms Fall (Extraordinary X-Men Annual #1, Extraordinary X-Men #13 to #16)
Uncanny X-Men: Superior Vol. 3: Waking From the Dream (Uncanny X-Men #11 to #15, Uncanny X-Men Annual #1)
Death of X (Death of X #1 to #4)
Inhumans vs. X-Men Comic Book Reading Order
*I’ve included a checklist of comics that will be included based on previews – Note that all issues that have not been placed in order will remain unlinked and italicized, until placed chronologically.*
The backup Medussa and Black Bolt story is a clear epilogue to the events of Inhumans vs. X-Men.