From 1942-1944, Captain Marvel battled one evildoer after another, all of whom struck at the behest of the mysterious Mr. Mind. Captain Marvel fought his way through this legion of adversaries, gathering clues along the way to the true identity of Mr. Mind -- who, it turned out, was a super-intelligent, talking, two-inch long worm. This fanastic tale kept young readers on the edge of their seats as their hero made his way closer to his ultimate foe, with cliffhangers every step of the way in the tradition of movie serials.