Morales versus monsters! Miles is taking on his biggest responsibility yet, babysitting his new little sister, Billie! But fussiness and feeding are the least of their problems - because there's something 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! Plus: When the government outlaws teenage super heroes, find out how life will change for Brooklyn's young Spider-Man! It's time for the next generation to stand together - or fall apart! Now, Miles must risk the wrath of C.R.A.D.L.E., the government's anti-hero task force, in a desperate mission to help a friend! Collecting: Miles Morales: Spider-Man (2018) 16-21