What Iron Man, Hulk, and Thor Do, Per Their Title
Puzzle 8 of Benefits of Pets Pack
Question is: What Iron Man, Hulk, and Thor Do, Per Their Title
and the answer is: AVENGE
Word Meaning:
AVENGE — (transitive) To take vengeance (for); to exact satisfaction for by punishing the injuring party; to vindicate by inflicting pain or evil on a wrongdoer.
Definitions from Wiktionary.