The Brotherhood of Evil Mutants, also known as the Brotherhood of Mutants, is a team of mutants that have been enemies of the X-Men since the team’s inception.
They have a different viewpoint on the world than Charles Xavier’s students, seeing humanity as a problem. The Brotherhood was initially brought together by Magneto to obtain world domination and solve the human issue.
Despite being a villainous supergroup, the Brotherhood of Evil Mutants has done good for the world, sometimes better than the X-Men were able to.
Author's summary: Brotherhood of Evil Mutants outshines X-Men.