Series
There are 2 books in the Avengers: Galactic Storm series.
Earth's Mightiest Heroes find themselves caught in an intergalactic war between the Kree and Shi'ar empires. This sprawling cosmic crossover takes the Avengers far from home, forcing them to navigate alien politics, cosmic-scale battles, and moral dilemmas that will test the team's unity.
All 2 books total 568 pages.
The Books Oracle — track the series you are partway through, and see what to read next.