Complex sentence: Regrettably for the Circus, Rick Jones was one of the victims of their capers, and his involvement led to the involvement of the Hulk he resisted the Ringmaster's hypnotism, and the Circus' arrest.
Split into simpler sentences: Regrettably for the Circus, Rick Jones was one of the victims of their capers, and his involvement led to the involvement of the Hulk. He resisted the Ringmaster's hypnotism, leading to the Circus' arrest.