okey then
which Hero v hero event, we already have AvX, Civil War, IvX, Avenger V Champion(if am not wrong);.
lets see hmm..
SpiderVerse V X-men, Eternal V X-men, Asgardian V X-men, GoTG V X-men, Hulk and warbond V X-men, Alpha Flight V X-men, Power Pack v X-men. and the Last XvX or X-men Civil War