User blog comment:Mr. Xemnas/Fin Fang Foom for Iron man 4 WHO'S WITH ME!!/@comment-5977347-20130224045651/@comment-5364175-20130227214435

Yeah, Arsenal would continue Iron Man 2's "Stark legacy" theme and tie into Captain America because Arsenal was built during WWII, but Arsenal should be a minor villain in Captain America: The Winter Soldier