In theory Povetkin beats Huck very easily either by KO or points, he looked very impressive during his last fight and is seriously underrated. I think his problem during the last few years has been his ring rust, with his activity recently that shouldn't be a problem and I think we'll see the best ever version of Povetkin against Huck.
As the thread starter says though I wont be surprised if Povetkin gets robbed here despite both being Saureland fighters, with Huck sort of being "German" there is just too much money to be made of of him being the heavyweight World champion. Povetkin is going to have to at least win clearly by 3 rounds to be sure of a points win imo.
Here's what Valuev had to say on the matter.
Former WBA world heavyweight champion Nikolai Valuev has urged his promotional teammate, WBA "regular" Alexander Povetkin (23-1, 16KOs) to go for a knockout against WBO cruiserweight champion Marco Huck (34-1, 25KOs) on February 25th at the Porsche-Arena in Stuttgart, Germany. Valuev, Povetkin and Huck are all promoted by Sauerland Event, but Valuev feels that their mutual promoter is hoping Huck wins because of his popularity in Germany.
"Marco is fast enough [to win], but a dirty fighter. He doesn't hit as hard as Povetkin. Naturally, he is going to try to bother Alex with distance and use [movement]. Huck will will thus earn points from these tactics. This is at least gives him a chance. A different strategy will not bring him success. I do not rule out [Huck] winning the early rounds because he's fast and fresh. Surely he and his team looked at a few rounds from the fight between Povetkin and Chagaev and took notes.
"[Going for a decision] is not very profitable for Alex, because Huck is closer to the promoter. The promoter is likely going to be on the side of Huck, because of the German audience. We look back at the outcome of the fight between [Denis] Lebedev and Huck. A repeat of that is not desired."