X-Men Legacy (1991) #217

Written by MIKE CAREY Penciled by SCOT EATON Cover by MIKE DEODATO & RICHARD ISANOVE

Original Sin, pt. 2

After his bruising encounter with Cyclops and Emma Frost, Professor X is forced to revisit the biggest challenge and the biggest failure of his career: Logan. But the layers of lies hide one last, deadly secret which goes back to the days of the X-Men's founding, and the Professor's timing couldn't possibly be worse...