Letís start with what has actually confirmed. The gameís Earth DLC will land next Tuesday, July 17th for free according to Major Nelson. It will be multiplayer focused, but beyond that not much has been officially confirmed.
However, fans of the franchise claim to have already uncovered details regarding the content, allegedly revealing new classes, new weapons, and the new Platinum mode over on the Something Awful forums.
In other ME3 add-on news the yet to be announced Leviathan DLC has been confirmed to Eurogamer by Anthony Skordi, a voice actor for the game.