During a battle in London, Thunderball tries to kill a wounded Captain America. Kelsey Leigh saves him using the shield, but dies due to the shock of the impacts. Kelsey later returns as a new Captain Britain and seemingly kills Thunderball, but he survives. It is, however, revealed that this Thunderball is either Mordred, the ally of Morgana le Fay, or Franklin possessed by him.  Later, the Wrecking Crew breaks into a bank in Los Angeles, where they are confronted by the Runaways, who defeat them. Thunderball gets chewed on by one of the team, Old Lace, a dinosaur from the future.  Thunderball and the rest of the Wrecking Crew are forced into governmental service under the Thunderbolts program.  The Hood hired Thunderball and the rest of the Wrecking Crew as part of his criminal organization to take advantage of the split in the superhero community caused by the Superhuman Registration Act.  He helps them fight the New Avengers, but is taken down by Doctor Strange.  Thunderball was later seen with the Hood watching the Skrull invasion on TV,Secret Invasion #4 helping to ferret out Skrull infiltrators from their own ranks The New Avengers #46 and assisting in the Hood/hero alliance battle against invading Skrulls in Central Park.  He joins with the Hood's gang in an attack on the New Avengers, who were expecting the Dark Avengers instead.New Avengers #50
During a battle in London, Thunderball tries to kill a wounded Captain America. Kelsey Leigh saves him using the shield, but dies due to the shock of the impacts. Kelsey later returns as a new Captain Britain and seemingly kills Thunderball, but he survives. It is, however, revealed that this Thunderball is either Mordred, the ally of Morgana le Fay, or Franklin possessed by him. Avengers v3 #80 Later, the Wrecking Crew breaks into a bank in Los Angeles, where they are confronted by the Runaways, who defeat them. Thunderball gets chewed on by one of the team, Old Lace, a dinosaur from the future. Runaways v2 #1 Thunderball and the rest of the Wrecking Crew are forced into governmental service under the Thunderbolts program. Thunderbolts #103-104 The Hood hired Thunderball and the rest of the Wrecking Crew as part of his criminal organization to take advantage of the split in the superhero community caused by the Superhuman Registration Act. New Avengers #35 He helps them fight the New Avengers, but is taken down by Doctor Strange. New Avengers Annual #2 Thunderball was later seen with the Hood watching the Skrull invasion on TV,Secret Invasion #4 helping to ferret out Skrull infiltrators from their own ranks The New Avengers #46 and assisting in the Hood/hero alliance battle against invading Skrulls in Central Park. Secret Invasion #7 He joins with the Hood's gang in an attack on the New Avengers, who were expecting the Dark Avengers instead.New Avengers #50
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Avengers v3 #80
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Runaways v2 #1
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Thunderbolts #103-104
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New Avengers #35
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New Avengers Annual #2
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Secret Invasion #7