Complex sentence: After Peter's public confession, he felt so betrayed and humiliated that it shattered their bond, and he became determined to make Peter "pay", despite Parker (as enforcer) and Jameson both actively supporting the Superhuman Registration Act.
Split into simpler sentences: After Peter's public confession, Jameson feels so betrayed and humiliated that it shatters their bond. He is determined to make Peter "pay", despite Parker (as enforcer) and Jameson both actively supporting the Superhuman Registration Act.