The Hawks need to save their season. AVENGERS ASSEMBLE.
There's a point in the Marvel movies where the threat to humanity becomes so great that not even a single superhero can save the planet. Iron Man, Thor, Captain America, Black Widow and Hulk needed to come together to stop that alien invasion because individually none of them could have pulled it off.
Maybe the Anaheim Ducks aren't as intimidating as millions of Chitauri hurtling down from the sky, but with the Chicago Blackhawks entering Game 7, it's about time the hockey superteam assembled.