What is the fine-grained topic of the following text: Considering how Thanos dog-walked the Avengers in Infinity War and wiped out half of the universe, the few heroes left who’re gunning for the Mad Titan in Avengers: Endgame are going to need the plan to end all plans if they want to succeed. Only return the topic.
Avengers' plan to defeat Thanos in Avengers: Endgame