At some point after returning from the trip at the cabin, Ash was locked up in an insane asylum because the general public believed that he was just crazy and killed his friends.
During an escape attempt, Ash met Ted, a half-Deadite midget who was part of a team that was sent to kill Ash before he could escape the asylum. When Ted met Ash, he suddenly had a strange compulsion to help Ash in his fight against the Deadites.
Sent To Hell & Becoming The Guardian
Some time after escaping with Ted from the asylum and fighting the Deadites, Ash and Ted were sent to Hell thanks to the Necronomicon Ex-Mortis. The two found themselves in front of a replica of the cabin where Ash had killed his friends. When Ash approached the front door, he was approached by another version of himself wearing a strange red gauntlet called the "Hand of Shiva". This Ash informed the two newcomers that all Ashes from across the multiverse are chosen to guard the gateway between Hell and Earth. It's unknown what happened to the Ash that met the two, the new guardian Ash claims that he killed him, although later he states that he just died and left it to the new Ash.
Meeting Ashley K. Williams & Death
Years after being stuck in Hell, Ash and Ted met Ashley K. Williams, whom Ash believed to be the new guardian. When demons began to surround the gateway, Ash was killed by Ashley K. Williams, who revealed that she was under the influence of The Dark Ones.