It's Moraleses vs. monsters as the Ultimatum saga reaches its chaotic conclusion! Miles is taking on his biggest responsibility yet: babysitting his new little sister, Billie! But fussiness and feeding time are the least of their problems, because there's something horrific stirring underground! Meanwhile, Miles' uncle Aaron has made a deal with a different kind of monster - the villainous Ultimatum - and he's about to get bitten! And to make things...

"Happy tenth anniversary, Miles Morales! The young Spider-Man has run the gauntlet of his very own Clone Saga--but the shocking fallout will leave Miles and the people he loves permanently changed. You may think we're joking or blowing it out of proportion -- but we are not! Change is on the horizon -- and as a who's who of Miles Morales Spider-Creators web together a celebration of his first decade in comics, it's time to look ahead to his future!...