This is a completed action toy designed for collectors.
The uncontrollable raging Hulk gets a toy release that depicts him in a transforming war suit, allowing him to switch between tank and robot mode! According to the backstory on the package, his suit was built specifically to match the power and rage of the Hulk with indestructible armor and a sonic cannon in tank mode that packs more than just a punch! Not only does the Hulk transform into a destructive tank, he also features spring-loaded power punch!
The Hulk is part of Hasbro's Transformers Crossovers toy line, which features transformable robot versions of popular Marvel superheroes. This is a Hasbro release with Japanese-text insert labels and stickers on the packaging for the Japanese market, distributed by Takara Tomy.