Crain variant cover was distributed 1:50 with the regular cover; There was a variant of this cover distributed at the Midtown Comics NYC comic con in 2006 in which the only difference is a Midtown Comics logo on the left side of the cover.
While Spider-Man is off participating in the final battle of the Civil War, the Kingpin's sniper is playing a waiting game while keeping Peter's family in his sights. With the Civil War over, Spider-Man returns home to Mary Jane and Aunt May and the sniper takes his shot. Peter pushes Mary Jane out of the way but Aunt May finds herself in the line of fire and is shot.