Space Marine 2's Patch 8.0 introduced Siege Mode, with a teaser for Update 10.0 in September heralding a year of free and paid DLC content.
Update 9.0 will focus on balancing changes only, with the planned new PvP mode postponed to Update 10.0.
Update 10.0 will bring a new Chaos-centric PvP mode with a specific map, Chaos armors, and a playable Helbrutes. A new melee weapon, the Power Axe, will be introduced.
A new Techmarine class will be added for PvE and PvP in Space Marine 2, with a promise of a second year of free and DLC content including new PvE missions, enemies, and weapons.