The Inferior 5 fought Vendetta, made up of villains the 5's parents fought. Vendetta was made up of The Masked Swastika (Iron Man and Captain America), Speed Demon (QQuicksilver), Silver Sorceress (Scarlet Witch), and Sparrow (HHawkeye). Speed Demon and Silver Sorceress weren't siblings though. A fifth member, Man Mountain, was a big green-skinned brute in purple pants...