That's a harsh word, I know. But it's true. Now, I'm not exactly sure what the reasoning for the inaccurate placements were, but I know they exist. So I'm going to list EVERY inaccuracy I've noticed while reading through the comics for the first time ever this year.
Ash For President references Ash going to Oklahoma, fighting alongside angels, and going to space, which refers to Army of Darkness Vol.4 issue 2, Army of Darkness League of Light Assemble (though he only knows of the events through the letter his future self wrote to him), and Army of Darkness Ash in Space, respectively. Ash in Space is listed in a separate timeline from the other two stories. And Ash For President is listed as a sequel to Ash Saves Obama for seemingly no reason other than the fact it's a presidential esc. story. And both stories are listed as a standalone universe.
Army of Darkness 1979 is listed as its own standalone universe as well, but references fighting Montezuma, which happens in Army of Darkness Vol. 3, and is also collected in the third Omnibus; facing off against Dracula and his daughter Eva, who both show up in multiple stories such Ash vs The Classic Monsters, Furious Road, and in the Dynamite event Prophecy, which crossed over several of Dynamite's comic series including bringing in Ash, who had previous encounters with a few of the other characters; saving Obama, which would necessarily fold Ash Saves Obama into a larger timeline; and saving the ISS, obviously referencing Ash in Space.
And those are just some of the most notable and obvious contradictions to the timeline within the stories themselves. But there are several reasonings for certain stories being placed in a specific order, such as several stories in either one-shots, or special issues (Halloween Special and Tales of Army of Darkness), being randomly placed before or after larger stories in various timelines. Some of them make sense, and are obvious why they've been placed. But most of them have no reasoning. Further, the third Army of Darkness/Xena crossover supposedly has Furious Road take place between issues 4 and 5, but there's no reason for it, as neither story references one another. Both clearly exist within the same timeline, as they have references to past events within the timeline, but neither references the other at all.
There are many stories that are so obviously not set in the same timeline or are just unclear as to what timeline/universe they inhabit, but there are still a LOT of issues with the Army of Darkness timelines as they exist in their current form. And there are also a lot of clear time jumps between various stories, leaving plenty of room for not only other stories that already exist, but for stories that have yet to exist.
Bottom line is, I want someone to go through the comics again with me, all crossovers included (especially the comics I can't get a hold of, such as the Freddy v Jason v Ash stories, the Darkman crossover, and the limited time digital exclusive Ash the Author), and help construct a clear timeline with stories clearly reference other stories, and compile all the stories that are either clearly standalone, or are unclear as to their placement. And we will make sure to keep up with the currently releasing Army of Darkness Forever storyline.
Edit: Beyond direct references to other stories, any provided dates would be extremely helpful, and obviously any specific timeframes. Ash Saves Obama, for instance, would have to take place sometime during his two term presidency. Where exactly, depends on where it could be fit in without disrupting the larger story. Also, keeping track of how every story begins and ends, specifically in relation to Ash's character, is important.