Delura, the Queen of Spies, plagued Captain Marvel briefly while Billy Batson was on a trip to Istanbul to meet with Ming of Tibet. Ming had contacted Station WHIZ about a fantastic device he was willing to give America and Sterling Morris charged Billy with retrieving the device. During Billy's train ride to Istanbul, the Queen of Spies tried to kill the young lad with a dagger. Luckily, Billy was able to transform into Captain Marvel before the blade struck the young lad! Later Delura's henchman, Ghunga, bound and gagged Billy and threw him in a river to drown. Ghunga then captured Ming per Delura's orders!

Delura used torture to discover Ming's secret and then fed him a paralyzing portion so he couldn't speak or write to reveal his secret. A freed Captain Marvel found Ming but not before Delura escaped. Ming was able to use telepathy to communicate with Cap and reveal the location of his secret. Delura beat Captain Marvel to the location of Ming's secret but Cap was able to track the Queen of Spies to her lair because of her distinctive perfume. Captain Marvel captured Delura and she hasn't been heard from since!