Doom Timeline?

[Chenni]

After seeing the Dark Ages trailer, that got me thinking, what was the timeline for Doom?

I mean on Doom (2016), he got trapped by Hayden.

Then on Eternal he kinda like became a Sentinel based on story flash backs.

That part where he became a Sentinel sorta seem like the plot of Dark Ages, but when did that happen timeline wise? Was it after Hayden trapped the Slayer? Or before Doom 2016?

[Grampire]

It was before Doom 2016 - and I believe after the events of Doom 64.

[UNBREAKABLE]

Dark Ages takes place between Doom 64 and Doom 2016. We are going to live out the Slayer Testaments, which is when the Doomguy came to Argent D' Nur from Hell. All of this happened eons before 2016 or Eternal.