Board Thread:Questions and Answers/@comment-25506978-20141006133940/@comment-4651179-20141006191723

You can find a list with all the AXIS tie-ins here.

The books labeled under "March to AXIS" (the prelude) are:



I would say the most important issues are Magneto's and Uncanny Avengers', as they lead directly to AXIS (Avengers & X-Men: AXIS #1 takes place right after Uncanny Avengers #25).