Collecting Deadpool (2015) #31-36.

Deadpool takes on the event storyline of 2017: Secret Empire! But which side will he choose - and how will he face down the fallout? Wade Wilson trusts Steve Rogers implicitly - how could he not? But that trust is about to be put to the test, big-time! Deadpool has spent his super hero career cracking jokes, but this situation is serious - and big changes are coming for the Merc With A Mouth...