With Guardians of the Galaxy Vol. 3 moving along, we more or less know most of the team will survive Avengers 3 and Avengers 4.
But outside of a brief group shot, we don’t yet know how the Guardians will factor into things.
Speaking of the unity amongst the Guardians, Anthony Russo’s comment about them standing in contrast to the Avengers is particularly interesting.
So while the Guardians started out as a rather dysfunctional bunch, they could be the key to healing the rift between the heroes in Avengers: Infinity War.