Marvel Comics established a scientific basis for the Red Hulk’s fire powers. Banner was exposed to pure gamma radiation during a bomb test, leading to an uncontrolled, instantaneous transformation.

Using this power, Ross finally managed to beat the Hulk in a fight by draining out all of his gamma radiation in Jeph Loeb and Ed McGuinness' Hulk run, causing him to revert to Bruce Banner.

Godzilla, from nuclear fire and Hulk, from gamma rays. Their transformation into ... contemporary fears of control and technology. As symbols for nuclear dread and ecological collapse, these ...

The climax intensifies as Ross, under the influence of gamma radiation, transforms into the formidable Red Hulk, culminating in a battle that tests Wilson’s resolve and leadership. While Captain ...

His exposure to gamma radiation boosted his intelligence exponentially. He's as smart as the Hulk is strong ... may have a hand in destroying the symbol that is Captain America and ushering ...