The update to Street Fighter IV that spilled out yesterday now has a name: it's going to be sold as Ultra Street Fighter IV, a pack that adds five new fighters to the game, along with a range of tweaks. Four the five fighters have been announced. They're Rolento, Poison, Hugo and Elena. You can find the details of the tweaks to existing characters here. All the updates will be available as DLC for existing SFIV owners for $15; anyone jumping in for the first time can grab the "Ultra Street Fighter IV" disc for $40. From a splash screen grabbed by SRK, looks like it'll be available for at least the 360, PS3 and PC. [video: Capcom Fighters TV]