Plot details for The Falcon and the Winter Soldier are currently being kept under wrap but, based on what we’ve seen, it would appear that the government wants Walker to be the “new Captain America.”
With this, it’s incredibly likely that any animosity that spills over from the comics could be between Walker and Rogers’ successor, Sam Wilson.
There’s no telling how Sam will feel about this when Walker first comes into the picture, but you can be sure the situation won’t exactly go down smoothly.