The Steve Gerber era begins, and it's clobberin' time as The Thing helps the Defenders discover Valkyrie's secret origin! Plus, the debut of the non-team's most bizarre rogues -- The Headmen!

And how does Daredevil fit into all of this? Find out, as Christopher and Brian discuss Defenders 20 and 21, Giant-Size Defenders 3, and Marvel Two-In-One 6 and 7!