NOTE: This villain pack requires a copy of Marvel United: Base Game (Classic or X-Men)
This hero is a Kickstarter Exclusive and can only be found on the Promo Box

Baron Zemo has a devious plan to defeat the Heroes: trick people into believing his Masters of Evil band of villains is actually a superhero group called the Thunderbolts, all the while breaking the cooperation between the real Heroes.

Publisher: CMON

Source: https://www.kickstarter.com/projects/cmon/marvel-united/posts/2772701