Boss Battle Song 1 - Super Smash Bros. Brawl Music Extended 

Far away in the Wilds, a giant tank robot built by the Subspace Army, Galleom is advancing until the Fire Enblem swordsmen Marth and Ike, as well as the masked swordsman Meta Knight catch up to it, Galleom unveils its true form and fights the sword-wielding trio, Galleom is defeated and falls into the Ruins, where it fights the Pokémon Trainer and Lucas and is defeated once again. In a matter of desperation, Galleom unleashes his Subspace Bomb and consumes the Ruins, but Lucas manages to free himself and the Pokémon Trainer and both are later saved by Meta Knight. Much later, in the Battleship Halberd, a group of fake Mr. Game & Watches are ambushed by Solid Snake and thrown into the Bridge, where Fox McCloud and the Princesses Peach and Zelda(in her Sheik form) where relaxing, the fake clones turn into Shadow Bugs and transform into a giant dual sided robot, Duon, so the trio fights it, alongside Solid Snake, the Aura Pokémon Lucario and Falco Lombardi, while Meta Knight stays in the control room and regains control of the ship, Duon is defeated and turns into the trophy of the real Mr. Game & Watch, which is revived by Peach and joins the heroes.