Complex sentence: After defeating all of Spider-Man's friends, Carnage attempts to kill them but is stopped by Harry convincing it to rebond with him which turns Harry back into Venom then attacks Green Goblin, intending to kill him.
Split into simpler sentences: After defeating all of Spider-Man's friends, Carnage attempts to kill them but is stopped by Harry convincing it to rebond with him. This turns Harry back into Venom then attacks Green Goblin, intending to kill him.