Wolverine
Elektra and Wolverine visit Gateway to learn about Onslaught, and Gateway shows them when Xavier shut off Magneto's brain and planted the seed for Onslaught's birth.
Collects The Uncanny X-Men #287-337, X-Men #53-57, Onslaught: X-Men #1, Excalibur #100, Wolverine #104, Cable #35, Onslaught: Marvel #1, Onslaught #1-6, Onslaught: Epilogue #1, X-Men / Avengers: Onslaught Omnibus. The full Onslaught saga -- Professor Xs dark side manifests as a world-ending threat.
Collects X-Man #18, X-Force #57, Excalibur #100, Wolverine #104, X-Factor #125-126. Onslaught assault ripples across the X-books as the teams scramble to respond.
Collects X-Man #15-19 and material from 14 other series. The complete Onslaught saga - Xavier dark psyche merges with Magneto rage.
Collects X-Man #18-19, Cable #34-35, X-Force #57-58, and more. The X-titles converge as Onslaughts assault on the Marvel Universe escalates.
Collects Wolverine #101-109 and tie-ins. Post-Onslaught Wolverine -- bone claws, feral regression, and Logan at his most savage.
Collects Wolverine #102-118 and more. Larry Hama's final stretch on the flagship Wolverine title, including Onslaught aftermath.