Marvel Events & Crossovers by Year

The Kree-Skrull War (1971-1972)
Related Events: The Avengers and Inhumans are caught between two warring alien empires.

War of the Elders of the Universe (1987-1988)
Crossover: The Elders’ quest for immortality imperils the lives of the Silver Surfer, the Avengers, Galactus and ultimately the entire universe

I Die Like The Stars (1988-1989)
Crossover: Galactus’ cosmic indigestion hits at the worst time, as the In-Betweener attacks and the Silver Surfer must aid his former-master using the Infinity Gems

The Kree-Skrull War (1989)
Minor Crossover: The Kree-Skrull War has been reignited and the Silver Surfer is forced to choose a side

Annihilation (2006-2007)
Major Event: The Annihilation Wave breaks out of the Negative Zone and spreads through the cosmos, creating new alliances in an effort to save the universe from Annihilus.

Annihilation: Conquest (2007-2008)
Major Event: The Phalanx take advantage of a universe still reeling from the Annihilation Wave as more cosmic heroes arise to stand against their deadly master.

Realm of Kings (2009-2010
Related Events: The War of Kings is over, but can Nova, the Guardians of the Galaxy and the Inhumans repair the damage to the fabric of reality that’s been in its wake?
War of Kings (2009)
Major Event: War breaks out between the Inhumans and the Shi’ar with Nova and the Guardians of the Galaxy caught in the middle and major ramifications for the Marvel Universe

The Thanos Imperative (2010-2011)
Crossover: The Cancerverse threatens to invade Reality-616, and the universe’s brightest hope may be Nova, the Guardians of the Galaxy… and Thanos?

The Last Days of Magic (2016)
Minor Crossover: How can Doctor Strange defeat the Empirikal when he can no longer rely on magic?