1st Appearance Grey Hulk

Caught in the heart of a nuclear explosion, victim of gamma radiation gone wild, Dr. Robert Bruce Banner now finds himself transformed during times of stress into the dark personification of his repressed rage and fury – the most powerful man-like creature ever to walk the face of the Earth! The Hulk possesses superhuman strength that increases as he becomes enraged, can leap vast distances and has demonstrated a powerful healing factor. The Hulk is a living, breathing engine of destruction!