Betty Ross
The plot builds on the depowering of Bruce Banner by Red Hulk during the "Dark Reign" storyline and the betrayal of Doc Samson who joined with the Intelligencia to bring about the "Fall of the Hulks" to create an army of Hulks to take over the world. "World War Hulks" also shows the origins of Red Hulk (Thunderbolt Ross) and Red She-Hulk (Betty Ross).