Uncanny X-Men #300 (1993)

"Legacies!" Story by Scott Lobdell. Art and cover by John Romita, Jr. and Dan Green.

Tired of simply reacting, the X-Men decide to take the fight to their enemies. It's all-out mutant action as the Uncanny X-Men battle Magneto's Acolytes with the fate of mankind hanging in the balance. Plus, Nightcrawler returns to the pages of the X-Men! And one member of the X-Cast contracts the lethal Legacy Virus!

Key book; X-Men Anniversary Spectacular, first appearance of the Legacy Virus. Near mint condition.