Microsoft does not comment on rumors or speculation.
There is not a Mario Bros game for Xbox One.
No, FidelityFX is not coming to Xbox.
There is not a game like Smash Bros on Xbox.
Yes, you can play Mario Kart on Xbox, but the game is not as good as it is on other platforms.
There are many consoles that can play Smash Bros. Some of the more popular consoles include the Nintendo Wii, Nintendo 3DS, and the Sony PlayStation 4.
There are some Nintendo games that are compatible with Xbox, but there are also some that are not. Some of the games that are not compatible include Super Smash Bros. for Wii U and 3DS, and Mario Kart 8 Deluxe. Some of the games that are compatible include Super Smash Bros. for Wii U and 3DS, Mario Party 10, and Splatoon 2.
Nintendo has not made any announcements about bringing its games to Xbox.
There are a few ways to play Nintendo games on your Xbox One. You can use the Xbox One backwards compatibility feature, which lets you play select older games on your Xbox One. You can also purchase a Nintendo Switch and use the Nintendo Switch Online app to play games online with friends.
Console gaming is more immersive than PC gaming. Console games are designed with a controller in mind, which makes them more comfortable to play. Additionally, console games typically have shorter loading times and less lag than PC games.