- (February 15, 2018) Get Ready! — Toaru Majutsu no Virtual-On is Released: Toaru Majutsu no Virtual-On, the crossover fighting game between Toaru Majutsu no Index and Dennou Senki Virtual-On and sequel to the light novel of the same name, is released for the PS4 and PS Vita.
- (April 10, 2018) New Testament Volume 20 To Hit Shelves on June 10: Release details for the 20th volume of the Shinyaku Toaru Majutsu no Index light novel series have been released on the Dengeki Bunko official website. Source: Dengeki Bunko
- (June 9, 2018) Let the Bloody Battle Begin! New Testament Volume 20 is Released: Academy City has ceased to function. Great Demon Coronzon threatens to eternally cast a dark shadow over humanity's history. Aleister, along with Touma, Index, Othinus, Fran, Accelerator, Shiage and Rikou travel to England in order to grasp Coronzon's Achilles' heel before it's too late. However, hostilities are inevitable...
- (June 9, 2018) Toaru Majutsu no Index III to Premiere on October: This month's Dengeki Bunko Magazine also revealed staff details and a key visual. The anime will be produced by J.C. Staff with Nishikiori Hiroshi returning to direct. Voice actors for Touma, Index, Mikoto, Accelerator and Shiage will also be reprising their roles. Source: Anime News Network
- (July 6, 2018) Toaru Majutsu no Index III Teaser Trailer Streamed: The teaser was streamed by staff at this year's Anime Expo and later uploaded to their official YouTube channel. Iuchi Maiko will be returning as series composer. Source: Anime News Network
- (August 6, 2018) Toaru Majutsu no Index III Anime to Premiere on October 5: The anime's official website revealed that the first episode will premiere on AT-X at 10pm JST. The website also revealed additional staff details including Yamaguchi Takayuki as Sound Director as well as character profiles for the main characters. Source: Anime News Network
- (August 10, 2018) New Testament Volume 21 To Hit Shelves on October 10: The 21st volume of the Shinyaku Toaru Majutsu no Index light novel series has been listed on the Dengeki Bunko official website. Source: Dengeki Bunko
- (August 10, 2018) Toaru Majutsu no Index III Full Trailer Streamed: The full trailer was streamed by staff at this year's Comiket 94 and later uploaded to their official YouTube channel. The trailer previews the new OP song by Kurosaki Maon, Gravitation. The series will premiere on October 5. Source: Anime News Network
- (September 30, 2018) Staff Details Announced during TV Broadcast of Movie: Voice actors for Kakine Teitoku, the Oyafunes, the British Royal Family, Knight Leader and Fiamma of the Right were announced. Also, Yuka Iguchi revealed the title of the ED song for the upcoming season of the new Index anime to be Kakumei Zen'ya. Source: Anime News Network
- (October 5, 2018) Toaru Majutsu no Index returns on air!: The first episode of Toaru Majutsu no Index III aired.
- (October 7, 2018) Dengeki Bunko Fall Festival 2018 reveals Accel anime adaptation and new Railgun season The main cast of the Toaru Majutsu no Index III including Miki Kazuma, reveal new adaptations for Toaru Kagaku no Accelerator to be released on 2019, and Toaru Kagaku no Railgun during the Dengeki Bunko Fall Festival. Source: Anime News Network
- (October 10, 2018) A Decisive Battle Against Mathers! New Testament Volume 21 is Released: Aleister's plan to grasp Coronzon's Achilles' heel goes awry when Mathers and the rest of the Golden cabal reveal themselves to have survived the Battle of Blythe Road, 100 years ago. In the face of this truly unprecedented threat, the Weakest, Kamijou Touma and the Strongest, Accelerator prepare for battle...!!
- (October 12, 2018) Crunchyroll and FUNimation to stream Toaru Majutsu no Index III anime: Crunchyroll will stream the anime worldwide outside of Asia after it airs in Japan. FUNimation will stream the simuldub. Source: Anime News Network A/B
- (December 26, 2018) First Blu-Ray and DVD release for Toaru Majutsu no Index III: The first Blu-Ray and DVD volume for Toaru Majutsu no Index III has been released in Japan. As well as the first three episodes, covering the Document of Constantine Arc, limited editions also include the first part of Toaru Kagaku no Railgun SS3 and Toaru Majutsu no Index-tan 6. Source: Toaru Project (Twitter)
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