A blow dart? lol. As long as it's poison tipped or something.
And the Ballistic Knife should return. However, in a real life scenerio, you don't backhand the B.Knife, nor are you able to reload it quickly. Instead, the way it's held should be corrected, and you cannot reload the B.Knife--you simply have two of them. Fire them both, and you're out.
In regards to melee weapons, could you imagine if a Katana can be your secondary? lol
And in regards to the flamethrower, I think it should be a launcher. No, I'm NOT talking about the rifle mounted version. I'm talking M2 Tank on your back style. Of course, if you use my idea, it will be a proficiency, so you cannot combine a flamethrower with other launchers.
The Treyarch devs like fire, so I won't be surprised if it made it.
I was thinking "poison tipped" but I guess my brain applied Occam's Razor. I watched a video on the ballistic knife and then played Black Ops and was all "Huh?" Good point.
Actually, a katana or variations of melee weapons would make cool secondaries! Or even a mace! Brain batter anybody?
I thought the FLametrhwoer should bep rimary just because it would make it the "unique" weapon of the game, similar to the Riot Shield. I wouldn't mind it being classified as a laumncher.