For April 1st, the sites for Toho's new Godzilla movie (Godzilla Resurgence internationally, Shin Gojira in Japan) co-directed by Hideaki Anno (Evangellon) and Shinji Higuchi (Heisei Gamera series, Attack on Titan), and Evangelion were updated with a visual featuring a clash between the King of Kaiju and Unit 01. And, it's more just a April Fool's joke... it's also a set of promo merchandise.
Groove Garage will be offering GojiNERV and EVANGELION STOMP IMPACT shirts (3,000yen), Velcro patches (1500yen) and key rings (1,500yen) in June
The visual will also be featured on a limited (55,555 units) clear file offered with advanced Godzilla ticket sales on April 23rd.
Godzilla and Evangelion, along with Ultraman, have also been teased participants in the game Kyoei Toshi (City Shrouded in Shadow).