In fact, when Banner could no longer control his transformations, or rather the Hulk refused to come out, he used it to fight Thanos and his crew. And the Hulk Buster armor was key in the final ...
Previous artwork revealed that there were also plans to have the Hulk go one-on-one with Thanos in a rematch after their one-sided encounter in Infinity War. "He doesn't look villainous enough ...