Katee Sackhoff has found herself at the center of Ms. Marvel rumors for quite some time now. While being interviewed for her new film, Oculus, Sackhoff addressed the rumors briefly.
Rumors do point to Carol Danvers, a.k.a. Ms. Marvel appearing in Avengers: Age of Ultron and Marvel has been developing a Ms. Marvel film for quite some time and a script is believed to be in place. Sackhoff found herself at the center of the rumor mill in September when she "kinda-sorta mentioned she may have been contacted by Marvel, but wait it wasn't Marvel and they didn't contact her..."
It's impossible to believe anything actors say anymore when they're denying roles. Paul Rudd is the poster child for that argument and, in the past week, Chadwick Boseman's "denial" only made more people think the young actor WILL be the Black Panther than anything. We can't be sure if Sackhoff is going to be Marvel's Danvers, but it looks like her schedule is open and she certainly has the physicality to pull off the part. In this case, at least, we will know soon enough as Avengers: Age of Ultron is filming now.