Yeah, it was confusing 3/4ths of the way through until you see that little 15 seconds of dialogue. Still kind of an odd joke.
******SPOILERS*********
Still though, I love what the did with Sgt. Hatred. He was one of the best new characters they brought to the foreground in season 3. Having him return to being a good guy with all the same quircks was a good move that I think will pay off. Getting into the Golden Sphynx vs. O.S.I. conflict and backstory should be fun to see unravel over the course of the season, especially with Brock and Hunter having defected to the Sphynx.
One odd plot point, why couldn't Orpheus bring 24 back to life? Was he just blowing 21 off? That scene didn't make much sense to me, Orpheus takes every opportunity to remind everyone about what he does and the power he wields, why the heck would he pretend to just be a "magician?" He said himself that he's brought back Reagan and Evel Knievel. Not sure they'll explain that later or not, but it was kind of a weird out of character moment.
Also, a kid clone of 24? Who know's if Venture is going to actually do it, but from the preview it may turn into a Lonewolf and Cub situation.
Enough speculation out of me. Eh.