I send a support request to Bethesda and they didn't help worth sh**.
Thank you for contacting the Bethesda Customer Support Team about the problems with the display over 3 monitors.
I appreciate you getting back to us on this issue. At this time, DOOM does not support the resolution 5760 x 1080 or similar which is the stretch between 3 monitors.
As the game updates, it may not run across 3 monitor correctly since we do not support the resolution, however, we are always open to feedback for the game and things we can support more in the future and bring back the display we may have had in the past! Feel free to leave us feedback for the game on our forums here:
https://bethesda.net/community/category/50/pc If there is anything we can assist with, please let us know! Thank you for your continued interest and support!
Warm Regards,
Bethesda Customer Support