The latest Mass Effect 3 expansion will bring back the Collectors, currently the only enemy race to successfully kill Commander Shepard… mostly. She got better, of course. Anyway, this multiplayer DLC, titled Retaliation adds six new maps, sixteen new characters, and the insectoid Collectors as enemies. Existing maps and forces will also see various updates, such as maps with major environmental hazards.
The content goes live on October 9.