Issue: #1
The 198 Files contains short bios of the at the time known mutants retaining powers after M-Day. It should not be confused with the group '198' although several members are featured. It also has short bios on O.N.E.
Creators: Dan Buckley, Joe Quesada, Mike Marts, Chris Bachalo, Andy Kubert, John Romita Jr., Nick Lowe, Greg Land, Jeff Youngquist, Chris Claremont, Rob Liefeld, David Hine, George Pérez, Frank Quitely, Christopher Yost, John Layman, Fabian Nicieza, Salvador Larroca, Aaron Lopresti, David Gabriel
Characters: Rogue, Storm, Cannonball, Squirrel Girl, Sunspot, Wolverine, Kitty Pryde, Domino, Angel, Beast, Colossus, Cyclops, Emma Frost, Havok, Iceman, Nightcrawler, Betsy Braddock, Rachel Grey, Sabretooth, Toad