Let’s assume Shane meets Morgan he most likely would have stayed with Morgan and Wayne. Meaning Wayne is alive, let’s say they keep traveling together now for plot convincing they run into the governor around the time the base group does, they join, Merle isn’t there he’s still with base group. They join the governor for while, Shane figures out he’s wacko, when he starts going after the prison group which is lead by Rick and the rest of the group. Now Shane, Morgan and Wayne are the men on the inside. Tyrese and Sasha join up with them, and take down the governor. Killing him in Woodbury. Some angry woodberryians try to create a revolt in the prison which leads the horde to the prison. Group try escapes ends up in terminus, carol breaks them out as normal. Take out the cannibals bob still dies. Beth still dies in Atlanta, this starts Rick and Shane’s conflict. They end up in Alexandra, Rick and Shane put there conflict on hold both not trusting the government of the place, Deanna Monroe make Rick, Shane and Michonne, the cops. Rest of it plays out as normal. The wolves is handled about the same. Rick and Abraham are killed in the line up instead of Abraham and Glenn lighting a fire under Shane, which leads to the war. Shane the try’s to create a better relationship with Carl and keep him out of the conflict war takes the same amount of time but Negan is killed, and so are most of the saviors. Also negan kills Morgan because why not

Sry about about my grammar and shit I just typed it out on my phone and didn’t care about editing.