Avengers (1963) #101
When Sporadik, a famed Russian chess player, dies from a sudden heart attack, the Avengers suspect foul-play. Featuring Thor in his alter-ego guise of Dr. Donald Blake!
Published: 7/1/1972
- Dan Adkins, inker
- Rich Buckler, penciler
- John Costanza, letterer
- Harlan Ellison, writer
- Roy Thomas, writer