There's more than one side to any story.
Regrettably, Superpower, is very much a pro Ukrainian take on the conflict with Russia. In this reviewers opinion, it fails to adopt a balanced view of why this conflict came about, who's truly responsible and where this could lead.
A few interesting interviews, that are revealing, in and of themselves, when viewed in a wider context, as opposed to the narrow confines of this production.
It skirts concerns surrounding the Minsk agreement, Ukraine's on going attacks on what were separatist republics, the fact Ukraine prior to the war, had one of the biggest armies in Europe (not such an underdog).
In summary, given its lack of objectivity, its hard for me not to view this, as proportionally, for the most part, propaganda.