I've played the XCom games since the first one in 1993. I really like the Firaxis re-invention and the focus on turn-based tactical combat. I love the Long War mods by Pavonis. I'm looking forward to Phoenix Point.
But I've always thought that 40K would be a great setting for that kind of game, provided you got the right small-scale setting to make each soldier count enough. Necromunda was the obvious candidate (not that I ever played tabletop).
Is there any information on what the gameplay concepts are? Is it turn-based squad tactics game?
Also I'm about 20 years out of date on the lore, but I'd love it if there was an opportunity to corrupt your gang with chaos or genestealer hybrids, which would confer some strengths but risk the attention of ordo malleus or space marines as a cost.