MARVEL Ultimate Graphic Novels Coll Vol 205 HC: Maximum Security Part Two

Trapped behind an impenetrable energy barrier, the Sol System has been annexed from the rest of the galaxy and the Earth transformed into a prison colony. As the planet's heroes battle to keep a legion of cosmic criminals in check, the situation become even more dire as the rampaging Ego Spore begins to consume everything in its path. Now, the time has come for the true orchestrator of these events to reveal their hand - and the Earth's heroes are powerless to stop them.