The Lethal Legion are the main antagonists of the first season and the secondary antagonists of the second season of The Super Hero Squad Show.

They are a team of supervillains lead by Doctor Doom on the quest to get all the Infinity Fractals to make up the Infinity Sword.

Biography[]

The Lethal Legion happens to be the result pf Doctor Doom forging alliances with every known villain to help him on his quest to get all the Infinity Fractals that makes up the Infinity Sword. [[Category: