Dystopia Against Fantasy

What would happen if a Dystopian Earth came across a fantasy world? Portals open up on a Dystopian Earth where fantasy monsters and medieval armies flood through to wreak havoc and claim the Earth as their own. Follow an elite team of supersoldiers who are sent to the world on the other side where they will encounter magical beasts and dabble in the world's complex culture and political landscape, all the while sowing the seeds for Earth's counter-attack!