Yeah, I'm pretty sure none of that aside from that one random BSAA agent character in Mercenaries is DLC. No Hope Left is unlockable, the costumes are unlockable, and the taunts and melee moves are already in the game. 
If there's going to be any DLC, it's going to be the multiplayer modes and mercenaries maps/characters.
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If there's going to be any DLC, it's going to be the multiplayer modes and mercenaries maps/characters.
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