I certainly hope they will. Although I think they might go through the same SP-only trial that they Soviet and German Singleplayer / ToW commanders had - at first, they'll be SP only, but as time goes on and they figure if it's balanced enough, it'll be released for MP.
Also, the video that we missed on the Twitch stream has been released:
https://www.youtube.com/watch?v=oYU9LAeCv7o
I'm not sure if the 4 abilities shown during the video are part of any commander, as it's not complete with 5 abilities. Those abilities, by the way, consist of:
1. A pair of Paratroopers being dropped in with a supply crate (of unknown content) and a heavy weapon
2. What appears to be .50 cal strafe
3. A supply or medical drop
4. The generic rocket strafe that Airborne Company currently has