1. The Hulk Hulk in clash of the titans has two snakeheads. This film tells the epic adventure story of a father and daughter in order to survive in the world of God of War.
2. The Hulk in The Origin of Snake Eyes also has two snake heads. This film tells the story of Honky, Black Snake, Black Rose and others as "snake eyes" performing tasks in a foreign land.
These are just some movies. If you want to know more, or have a deeper understanding of a movie, you can talk about which movie it is in detail.