You are correct.
The Doc in that dimention indeed worked with Fexus and Zeneck in order for world domination.
So the planet is for most part drained of its life forces, you see remains of machinery and mining of oil all around, experiments have gone wrong and leaves this world in a weird gravity defying state, and there are rifts constantly opening and closing.
You know what they say when there are to many captains in 1 ship things tend to go wrong, so it did a massive explosion happened tearing this world apart, making it all 1one big desert and broken machinery, Metal Ossy Protected his brother thats why he is a cyborg now and lost some of his limbs.
He revived and swore an oath to destroy the ones who did this to his planet so Cyber Ossy builded strong holds with the scraps and remains he could find and also with remaining monsters, as an energy scource he mined oil from the ground, thats why they have electricity and some of the older machines made by Doc, Fex, Zeneck can function also so provide for water and food heat in the evening, and having tv and radio.
So since our doc was not responceble for this whole ordeal the doc and cyber Ossy are now allyed against common enemy's thats why cyber Ossy appears in the Lab of Tommorow and gifts the player.
and for anubis he appears everywhere where a lot of death happened and guide lost spirits to the afterlife.