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General Thaddeus "Thunderbolt" Ross created by Stan Lee and Jack Kirby in The Incredible Hulk #1 (May 1962)
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Lieutenant General Thaddeus "Thunderbolt" Ross oversees gamma bomb project that ultimately leads to the creation of the Hulk (Bruce Banner)
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Grew up in a military family, and was focused on serving his country from a young age - joined the Army Air Corps (later Air Force) and worked his way up through the ranks
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Bruce's growing relationship with Ross' daughter Betty was a source of frustration and anger for him, as was the recurring nuisance of the Hulk - Ross made it his personal mission to find and destroy the Hulk
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Several times he allied with villains to battle the Hulk, which ultimately led to his dismissal from the military
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Betty and Bruce get engaged, but the Leader turns Hulk savage, and the wedding is called off - Betty later marries Glenn Talbot, and Ross is satisfied that Banner will never be his son-in-law
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When Talbot was captured by the Soviets in a rescue mission to save Ross, his apparent death fractured his relationship with Betty, as well as a demotion at work because of his inability to capture the Hulk
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Betty divorced Talbot and revealed she still loved Bruce - enraged by this, Ross allied with MODOK to have the Abomination kill the Hulk, but Betty caught wind of the plan and accused her father of treason - he was discharged from the Air Force and nearly committed suicide
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When Bruce and Betty get married, Ross shows up at the wedding with a gun to stop the ceremony - Rick Jones intervenes and is shot non-fatally
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In a SHIELD experiment he merges with Zzzax, a being of sentient electrical energy - in a battle with a mutant, he expends his energy to save Betty, and dies
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His body was resurrected by the Leader, and he rejoins the Air Force
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After Betty is killed by the Abomination and Hulk is exiled by the Illuminati, Ross sinks into an alcoholic depression - when Steve Rogers is shot, he is visited by MODOK and the Leader and offered a chance to gain Hulk-like powers - he then becomes Red Hulk, and his first act is to kill the Abomination for murdering Betty
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Ross' identity as the Hulk is kept secret for over two years before being revealed during World War Hulks
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He later joins the Avengers, where he befriended an LMD named Annie that helped give him some perspective and understanding about things
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Temporarily bonds with both the Venom symbiote and the Spirit of Vengeance, becoming a being known as the Circle of Four - this is to defeat Blackheart, son of Mephisto
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Gets depowered by Doc Green, a super-intelligent version of the Hulk