AVENGERS (1963) #42

Qucksilver teams up with Hawkeye, the Scarlet Witch, and Hercules to track down Diablo. But can they find him in time to stop him from reactivating Dragon Man and unleashing his immense power? The Wasp and Goliath are held captive by Diablo, and The Avengers are pondering their rescue. Hawkeye accuses Hercules of showing no initiative and `freeloading` at the plight of his fellow Avengers. They contact the Fantastic Four and Reed Richards provides Quicksilver with the co-ordinates for the location of Diablo`s castle stronghold in Transylvania… Hawkeye, Scarlet Witch, Quicksilver and Hercules promptly jet over to Romania……