Does Chief get Cortona? Cause that's a big boost to the Avengers in Age of Ultron, she outright shuts Ultron down. He's Steve Rogers+ and capable with virtually every weapon. So he's an improvement of the situation and his own brand of ingenuity and recklessness might lead to resolving the invasion earlier. He'll probably eradicate Loki with some Promethian weapon or a Forerunner hard light gun. With Cortona, Ultron becomes a very small threat. She's every bit as sentient and smart as Ultron and essentially took High Charity by storm when she entered its systems. Without Cortona, Chief doesn't offer much more than Rogers. So he's better than Hawkeye but doesn't change anything spectacularly. He's very very helpful here, specifically at the airport scene. Any Forerunner weaponry is tearing through Stark's team sans Vision. Since he's the most experienced space warrior they have, Master Chief is probably very useful for preparing for Thanos' attack. With Cortona, they might be...
