Klaw is imprisoned but freed by the Crimson Cowl, which turns out to be an alias of Ultron. Joining the second incarnation of the Masters of Evil, Klaw and the other villains battle superhero team, the Avengers. The Avengers, however, defeat them, with the Black Panther subduing Klaw. Klaw would attempt to reform the second Masters of Evil to fight the Avengers, but his scheme would be foiled by the all-female team the Lady Liberators.