Into The Fight 2018 was a professional wrestling event promoted by DDT Pro-Wrestling (DDT). It took place on February 25, 2018, in Tokyo, Japan, at the Korakuen Hall.^[2][1] The event aired domestically on Fighting TV Samurai and AbemaTV, and globally on DDT Universe, DDT's video-on-demand service.

Into The Fight 2018 featured eight professional wrestling matches involving wrestlers from pre-existing scripted feuds and storylines. Wrestlers portrayed villains, heroes, or less distinguishable characters in the scripted events that built tension and culminated in a wrestling match or series of matches.^[3]

During the event, Shuten-dōji (Kudo, Yukio Sakaguchi and Masahiro Takanashi) retained the KO-D 6-Man Tag Team Championship by defeating the team of Ryuichi Sekine, Ryota Nakatsu and Fuminori Abe from Pro-Wrestling Basara, a sub-brand of DDT.

In the next match, Yuko Miyamoto defended the DDT Extreme Division Championship against Shunma Katsumata in a hardcore match dubbed "Hardcore ＋ α". In this match, various weapons were placed around the ring and each competitor could choose an extra weapon to bring. Miyamoto chose a baseball bat coated in barbed wire, while Katsumata chose a box of thumbtacks.

The next match saw the participation of Naomichi Marufuji from Pro Wrestling Noah.