Baron Zemo (2010 Marvel Animated Universe)

Baron Helmet Zemo is a major antagonist who appeared in season 3 of Avengers Assemble (entitled Ultron Revolution). He is the son of Hydra scientist, Baron Heinrich Zemo, who previously fought Captain America in World War II, and the leader of his own supervillain organization, Masters of Evil.

He was voiced by David Kaye, who also voices his alter-ego, Citizen V.

History
As the son of Hydra's leading scientists and commanders, Helmet Zemo sought to carry his father's legacy and recreate the super-soldier serum. Zemo attempted to formulate his own version of the serum, but it was imperfect,