GO Butt Wario

Features stories based on the hit Super Mario games! From crazy to classic, Mario and his friends star in adventures that find them traveling through the many worlds of one of the biggest video game series ever!

(Source: VIZ Media)

Twelfth entry in the Super Mario series.

Tenth part of the Super Mario series.

Thirteenth part of the Super Mario series.

Fourteenth part of the Super Mario series.

A tie-in for Wario Ware: Touched!.
Mona wants Wario to attend her concert but he just wants to sleep, and no amount of physical violence can shift him.

(Source: Nautiljon)

Based off of Mario Kart DS. All the characters from the game such as Wario, Luigi, Bowser, Princess Peach appear.

(Source: Super Mario Wiki)

Ore Dayo! Wario Dayo!! (オレだよ！ワリオだよ！！) is a Japanese-published Wario comic book series written by Yukio Sawada, published by Shogakukan, and serialized in the Japanese magazine CoroCoro Ichiban! The series is based on more recent Wario games, including Wario World, Wario: Master of Disguise, and Wario Land: Shake It! The comic series has had references in Super Mario-Kun, a comic by the same author, including Wario's punch-line, "Ore Dayo! Wario Dayo!!" (It's me! Wario!!)

Note: the tankoubon release was never completed

New Sonic the Hedehog manga, based on the upcoming game, Sonic World Adventure (aka Sonic Unleashed).