Collects Decimation: House of M - The Day After, X-Men (2004) #177-181. It was the worst day in X-Men history. Now it's the day after. The House of M is over, but the effects will be felt for the rest of their lives. How do the X-Men pick up the pieces in a world that has completely changed? Plus: Something's amiss at the House of Xavier! A sneak attack forces the X-Men to re-evaluate just who their friends are, and to align themselves with former enemies!

House of M has changed the world forever. Now, from the ashes of this cataclysmic event comes a new generation... Generation M. Find out exactly how things have changed as a group of mutants brought together by this common tragedy must fight together for a better tomorrow. Collects Generation M #1-5.

Pietro Maximoff was Quicksilver, the fastest living creature on Earth - until the Scarlet Witch took it all away. Now, the son of Magneto is despised and powerless. Crushed and defeated, his only hope and refuge lies with the Inhumans. Re-united with his wife Crystal, will his desperate ambitions lead him to an even greater betrayal? Collecting: Son of M 1-6

The unthinkable has happened in the Marvel Universe! In the blink of an eye, the whole world has changed! In this new world order, Xavier's School becomes a haven for those that are different. But has this former sanctuary become the one place most dangerous for mutants? Collects The 198 #1-5 and The 198 Files.