"As it happens, I did," Markus lied.  He hadn't noticed the vague sounds of struggle until Nero brought attention to it, but he didn't want to look like he had been so sorely distracted by the fireworks.  Now that he focused on them, he found the sounds unmistakable.  "More of those heartless?  Or, perhaps the fireworks are for a festival, it could be an innocent drunken brawl.  I suppose we ought to take a look, though?  I've noticed that my keyblade is the only weapon I can use against a heartless.  It must be the same for others.  Come, then."  

He held his left arm forward in a fencing stance, and his keyblade materialized.  Walking with it pointed downward casually, he approached the door to the Third District, and attempted to pull it open.