The ISBN of Dark X-Men is 0-7851-4526-5.
The ISBN of On the Edge of the Dark Sea of Darkness is 978-1-4000-7384-9.
It is Xmen 2, and you can get it at Wal Mart
Well since xmen four is befor xmen 1,2 and 3, magnito will not be in it but there is some other dude that wolverine fights. I can't tell you who it is because it would spoil the movie but I known the knew xmen 5 is all about magnito.
Colossus
Your Mom :P
The ISBN of When It Was Dark is 978-1437364293.
The ISBN of In the Winter Dark is 0869140450.
The ISBN of Hunter in the Dark is 1550050567.
The ISBN of A Dark Victory is 1862914060.
The ISBN of A Dark Winter is 1862913684.
The ISBN of The Dark Arena is 0345441699.
The ISBN of Plowing the Dark is 0374234612.
The ISBN of The Dark Imbalance is 9780732268374.
The ISBN of The Dark Half is 978-0670829828.
The ISBN of Arrows in the Dark is 978-0299175504.
The ISBN of Dark Visions is 978-0575045859.
The ISBN of The Dark Knight Returns is 1401210791.