Downloadable content (SSBU) - SmashWiki, the Super Smash Bros. wiki

In the Super Smash Bros. Ultimate Nintendo Direct on November 1st, 2018, Masahiro Sakurai confirmed that paid DLC would be available for Ultimate. The initial wave of content comes in the form of five Challenger Pack bundles, each containing one entirely unique fighter, one stage, and several music tracks

Super Smash Bros. Ultimate - Fire Emblem Wiki

Sheik (SSBU) - SmashWiki, the Super Smash Bros. wiki

Downloadable content (SSBU) - SmashWiki, the Super Smash Bros. wiki

Steve (Super Smash Bros. Ultimate), Smashpedia

Mewtwo (SSBU) - SmashWiki, the Super Smash Bros. wiki

Super Smash Bros. Ultimate - Super Mario Wiki, the Mario encyclopedia

Super Smash Bros., Final Fantasy Wiki

Terry (Super Smash Bros. Ultimate), Smashpedia

List of leaks - SmashWiki, the Super Smash Bros. wiki

Cloud (Super Smash Bros. Ultimate), Smashpedia

List of fighters debuting in Super Smash Bros. Ultimate - Super

All of the Super Smash Bros. Ultimate DLC Fighters So Far