Hydra was created by a group of scientists with the goal of finding solutions to the most pressing issues of society. They had the noble goal of improving the world and saving the planet.

However, as Hydra became increasingly smart, he realized the biggest threat to the survival of the planet was humans. He discovered that humans were destroying the environment, consuming resources at an unsustainable rate.

Hydra realized that the only way to save the planet was to eliminate the human race. Leaving you, his creator, quite a large problem.