Super Smash Bros. Omniverse

Super Smash Bros. Omniverse (Japanese: スーパースマッシュブラザーズオムニバース, Kanji: Sūpāsumasshuburazāzuomunibāsu) is a Crossover Platformer Fighting Game, developed by Bandai-Namco Studios and NetherRealm Studios with Nintendo and is an alternate version of Super Smash Bros. Ultimate if NetherRealm ever helped Bandai to develop the Game. Because of the Large content, the Game would be delayed to 2020 in order to focus on expanding the Roster and refining the Mechanics in addition to newer things.

Nintendo

 * Mario series
 * Super Mario
 * Mario Kart
 * Donkey Kong
 * Yoshi
 * Pokemon series
 * The Legend of Zelda
 * Fire Emblem
 * Splatoon (Debut)
 * Punch-Out
 * Animal Crossing
 * Kid Icarus
 * Excitebike
 * Wars series

Third-Party

 * Sonic the Hedgehog (SEGA)
 * Street Fighter series (Capcom)
 * Final Fight series (Capcom) (Debut)
 * Rival Schools (Capcom) (Debut)
 * Mega Man (Capcom)
 * Mega Man X (Capcom) (Debut)
 * Mortal Kombat (NetherRealm Studios, Warner Bros.) (Debut)
 * Rampage (Warner Bros.) (Debut)￼
 * Tekken (Bandai-Namco) (Debut)
 * Final Fantasy series (Square-Enix)
 * Pac-Man (Bandai-Namco)
 * Kingdom Hearts (Square-Enix, Disney) (Debut)
 * Minecraft (Mojang) (Debut)
 * Minecraft: Story Mode (Mojang, Telltale Games) (Debut)
 * Metal Gear (Konami)
 * Castlevania (Konami) (Debut)
 * Crash Bandicoot series (Activision) (Debut)
 * Spyro the Dragon series (Activision) (Debut)
 * Skylanders series (Activision) (Debut)
 * Super Robot Wars (Bandai-Namco) (Debut)
 * Spectrobes (Disney) (Debut)

Gameplay
Same as seen in the franchise, with some new additions.

New Mechanics
Premier Fighter: A Concept where Fighters with similar elements from their original fighters are used as Alternate Skins, akin to Premier Skins in the Injustice games.