Action Comics #220

Superman is drawn to the distant planet Thon by an irresistible call, summoned to compete in the Interplanetary Olympics against champions from two other worlds. The challenge tests not just strength, but the limits of heroism across the stars.

In "Congo Bill, Stone Age Man," Bill and Janu uncover a hidden underground world where prehistoric creatures and primitive tribes coexist. As Bill shares simple but revolutionary ideas like the wheel and irrigation, he begins to reshape their way of life—until a surprising discovery in a set of old photographs reveals how this lost realm came to be.

In the vast silence of space, Tommy and Brent find themselves adrift after an asteroid strike—only to be pulled aboard a ghostly vessel that echoes the legend of the Flying Dutchman. Its captain, Professor Cedric Hall, now a solitary wanderer, reveals a past marked by tragedy and a vow to sail forever, his ship a floating monument to a life left behind.