Buy Marvel Cosmic Invasion: The Siege of Castle Doom XBOX Code

The Siege of Castle Doom is a premium expansion for Marvel Cosmic Invasion that brings two legendary Marvel characters into the arcade-style beat 'em up action. Doctor Doom and the Invisible Woman join the fight against Annihilus and his Annihilation Wave, each bringing unique combat abilities and playstyles to the tag-team roster. Doom wields high-powered tech armor, occult skills, and genius intellect, while Sue Storm commands light-bending powers and force field manipulation never before seen in the game.

The expansion centers on a dedicated new game mode set in Castle Doomstadt, the nefarious stronghold of Latveria's ruler. This mode places Doctor Doom at the center of events, creating a fresh challenge for players who have already conquered the base campaign. The new characters are fully compatible with all existing heroes, expanding team combination possibilities and encouraging players to experiment with fresh tactical approaches.

The Cosmic Swap tag-team system remains the core mechanic, allowing instant switching between two selected characters during combat to chain abilities, build focus for screen-clearing special attacks, and create powerful combo sequences. Each new character's moveset is distinct, with unique voice lines and animations that reflect their Marvel comic book personalities.

This DLC is designed for players seeking more content from Tribute Games' acclaimed retro-inspired brawler. Whether tackling the new mode solo or cooperatively with up to three friends, the expansion delivers additional hours of pixel-art action tied to Marvel's wider Doomsday storyline.