Complex sentence: Being himself a Kree initially made Commando somewhat of an outsider in the Shi'ar Imperial Guard, but after their defeat of the Supreme Intelligence, Commando was accepted whole-heartedly into the group.
Split into simpler sentences: Being himself a Kree initially made Commando somewhat of an outsider in the Shi'ar Imperial Guard. But after their defeat of the Supreme Intelligence, Commando was accepted whole-heartedly into the group.