As part of a series released by Road Champs in 2002, BioHazard was 1 of 4

The original, yet rarer version of the toy sealed in its packaging.

robots used in the first 2 editions of Battle Chains. These toys were smaller than most other BattleBots toys, in order to fit on a keyring easily. When a chain on the back of the toy was pulled, the weapon would activate. In the case of BioHazard, when the chain was pulled, the arm on BioHazard would lift. Due to Mattel owning the rights to the Biohazzard hot wheels toy, the manufacturer was forced to remove the robot's name from this toy in 1st Edition to black out the name on the packaging for the re-release of 1st Edition and label the packaging as "Heavyweight Champion" for all new releases of the toy. However, the logo on top and the sponsors remained untouched.
A2 1

The alternate version, dubbed "Heavyweight Champion."


The re-issued 1st edtion of the toy featuring the blacked out name on the packaging but intact logo on the toy.

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