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Dr. Robert Bruce Banner, Ph.D.[4] a.k.a. the Hulk, is an American theoretical physicist famous for his work in the fields of nuclear physics and gamma radiation.[76] He was recruited by General Thaddeus E. "Thunderbolt" Ross and the U.S. Army to develop the first Gamma Bomb. During its first live test, he was bombarded with a massive dose of gamma rays while saving Rick Jones, a teenager who had made his way onto the test site. He was mutated into a green behemoth, the living personification of anger that was fueled by pure physical strength, and would come to be known as the near-mindless "Incredible Hulk". Fearful of the damage that the Hulk could inflict, as well as fleeing from the military, he went on the run.[77] In the years that followed, Banner became a loner, occasionally joining together with other heroes, but more often than not struggling to be left alone. He was a founding member of the group of heroes known as the Avengers, "Earth's Mightiest Heroes", as well as a founding member of the group of outsider heroes known as the Defenders, but would not remain with either group for too long (although, admittedly, his time with the Defenders was much longer than his time with the Avengers was).[37][78] Over the years, the Hulk's personality changed drastically, owing to Banner's undiagnosed dissociative identity disorder. At times intelligent, at other times savage, the one constant in the Hulk's existence was his quest for solitude and peace in a world that would not leave him alone.[77]

Hulk

Uniforms and costumes
for Uniforms and costumes in Hulk: Canadian Winter
Suggested by bighero616

Even after joining the Avengers to face Loki, Banner doesn't stay with the team; he flees, knowing it's only a matter of time before they turn against him, before the Hulk wreaks havoc. So he does what he's used to doing, what he's been doing since transforming into the Hulk: he runs away. This leads him to the border between the United States and Canada, wanting to be alone, but he'll discover it won't be so easy. Meanwhile, the United States armed forces, led by Ross, SHIELD by Agent Coulson, and the Avengers by Tony Stark, discuss the best way to deal with the Hulk. Tony wants him on his team, Ross wants him behind bars where he can keep an eye on him and have access to a sample of his blood, while Coulson wants him with SHIELD. As the discussion continues, Ross, after obtaining his location, sends Emil Blondk with the new anti-gamma weapon to deal with Banner. In Canada, Agency H sends Wolverine to deal with a creature in the forest that is attacking people, which leads him to the Hulk.

