The fifth, final, and free multiplayer expansion
Reckoning, the last and largest multiplayer pack for Mass Effect 3, will release tomorrow on all platforms except Wii U. The pack includes six new characters, seven new weapons, and new equipment.
On March 6, BioWare will release the final singleplayer DLC, Citadel.
For more information on Reckoning's contents, take a look at the summary provided by NeoGAF's EatChildren: