Spider-Man: Octo-Girl

Spider-Man: Octopus Girl
スパイダーマン:オクトパスガール

Alternative

Ultraman: Along Came a Spider-Man
ウルトラマン アロング・ケイム・ア・スパイダーマン
manga

On Marvel Earth, Spider-Man joins forces with the Avengers to battle Doctor Doom in New York City, but when several civilians are killed in a building collapse as a result, Spider-Man becomes demoralized and finds himself whisked away in a strange spacecraft called the Interdimensional Train. Doctor Doom stows aboard and both find themselves in the Tokyo of the Ultraman universe! Witnessing Ultraman battle a giant Kaiju, Doom craves the Giant of Light’s power and joins forces with Alien Mefilas and his army of Kaiju from the Monster Graveyard to steal it. (Source: Tsuburaya Productions)

Cameo

Spiderman
Spider-Man· スパイダーマン
manga

A high school student named Yu Komori is bitten by a radioactive spider, which gave him spider-like powers.

Cameo

Spider-Man J
スパイダーマンJ
manga

In the year 200X, a supervillain who goes by the name Lord Gokibu wants to steal the fossil of the Insect King, 15 year-old Shou Amano uses his new spider powers to become Spider-Man J, to prevent this from happening. During his time as a superhero, he meets Japanese versions of Elektra, Dr. Doom, Blade, and the Fantastic Four.

Cameo

Spider-Man: Fake Red
スパイダーマン/偽りの赤
manga

Yu’s new high school is kind of awful. He’s failing his classes and striking out socially. Everything changes when he finds one of Spider-Man’s costumes abandoned in an alleyway. At first, it’s fun to put on the costume and play hero, but when powerful enemies appear, Yu quickly realizes he’s out of his element. Still, with the real Spider-Man nowhere to be found, the city needs someone to save it… (Source: VIZ Media)

Cameo

Secret Reverse
SECRET REVERSE
manga

In Yu-Gi-Oh! creator Kazuki Takahashi’s epic team-up between Iron Man and Spider-Man, Tony Stark travels to Japan to attend a gaming convention. Awaiting his arrival is Reijiro Kaioh, the CEO of a world-famous card game company. Kaioh plans to unveil an amazing new gaming machine, but the inventor and his device are not at all what they appear to be… (Source: VIZ Media) *Notes: \- The series later had a physical release in English by VIZ Media. \- The chapters are the 1st and 7th (final) one-shots of the Marvel x Shonen Jump+ collaboration respectively.*

Cameo

Deadpool: Samurai
Deadpool: SAMURAI· デッドプール:SAMURAI
manga

Marvel raids Shonen Jump + ?! The irresponsible hero "Deadpool," an extreme outlier even amongst American comic heroes, is finally serialized !!!! A super collaboration manga that involves both the Avengers and Shonen Jump characters! Anyway, Deadpool lands in Tokyo with a bang! What could possibly go wrong when Iron Man invites Deadpool join the Avengers' new Samurai Squad? After all, Deadpool is just in it for the money…and the trip to Japan. This is fine, right? (Source: VIZ Media) *Note: Includes three extra chapters*.

Cameo

Spider-Man: Kizuna
スパイダーマン:絆
manga

Suddenly bestowed with not just great power, but also the proportionate speed, strength, and agility of a spider, will Yu find the courage to help others, or fall prey to Spider-Man’s worst enemies? (Source: VIZ Media)