Marvel Milestones: Onslaught

Marvel Milestones: Onslaught (2006) is a single-issue primer from Marvel that distills the sprawling 1990s crossover event into a concise, reader-friendly overview. Written by Mark Waid and Scott Lobdell with art by Adam Kubert and Joe Bennett, it recaps the psychic fusion of Professor X and Magneto that birthed the reality-warping villain Onslaught. This installment serves as an accessible entry point for new readers looking to understand one of Marvel's most era-defining sagas without tracking down dozens of tie-ins.