Preview: Secret Avengers #18 (Unlettered)

A can of matter the size of a football, mined from a broken universe, would be enough to turn the Earth into a sun. There are people, hidden from the view of the world, who would do that either to hold the planet to ransom -- or just to die knowing they took everyone else with them. And right now there are just three people -- Steve Rogers, The Black Widow and Shang-Chi -- between us and total annihilation, trapped on a space station in the No-Zone...