NOTHING WILL EVER BE THE SAME AGAIN. AGAIN.
Since 1985’s Crisis On Infinite Earths,, the “Summermegacrossover” has become a tradition at the Big Two, an action-packed, highly-lucrative “event” in which some unprecedented calamity calls for all of DC’s or Marvel’s biggest guns to band together to avert the destruction of the Universe/the Earth/East Grinstead in a series of increasingly-contrived battle extravaganzas.