I remember a leaked prequel in CBR (which has been removed) of a Old Man Logan that showed panels of betrayals.
Cloak: Betrayed by Dagger for being falsely believed by Skull's forces that they wont kill her.
Iron Man: Poisoned by his girlfriend.
Dr. Strange: Attacked and killed off by Hulk who went crazy shortly before the villains hunted the heroes down.
Iron Fist - Betrayed and killed by Cage who was offered immunity for his family by Skulls men.
Vision - Betrayed by a number of heroes who was desperate and needed immunity from Skull.
Spider-Woman - Attacked by a number of heroes in exchange for immunity from Skull.
Ms. Marvel - Betrayed by SHIELD.
Punisher - Stabbed to death by his neighbor.
Elektra - Shot to death by an unidentified hero.
Ghost Rider - Betrayed by Hulk.
Ares - Attacked by several heroes.
Falcon - Attacked by Hulk and killed.
Daken - Attacked by Cage and Hulk.
She-Hulk - Killed by Hulk after refusing Bruce's advances.
Sentry - Betrayed by Hulk.
Valkyrie - Betrayed by Hulk.
Silver Surfer - Betrayed by Hulk and several others.