Some will be carrying over from Brotherhood as they were "specifically requested" by players. The DLC will cost 800 MSP on Xbox 360 and £7.99 on PlayStation 3 and PC.
Multiplayer was introduced with Assassin's Creed: Brotherhood and has proved quite popular thanks to the series unique way of hunting targets. It's become a main stay feature.
Here's the official blurb from Ubisoft for the Mediterranean Traveller map pack:
Players can journey to the majestic holy city of Jerusalem, the opulent imperial district of Constantinople and the colourful mercantile district of Dyers. Fans of the franchise can also revisit favourite Italian Renaissance maps from Assassin's Creed Brotherhood specifically requested by Assassin's Creed players to be included in the pack.
To start, players will explore the historic city of Firenze (Florence), then travel to the mountains of San Donato and visit night-time Siena with its carnival lights, talented performers and deadly hiding spots.
Are you still playing Assassin's Creed: Revelations or Brotherhood, video gamer?