The Best of Captain Marvel #1

Captain Marvel learns about a Magno World that is that is \"one million quintillion hexillion and a half times\" larger than Earth. He visits this world and learn that the world is exactly like Earth except that the names of countries and people are reversed AND there is NO Magno World version of Capt. Marvel. Acirema & Dnalgne are fighting Ynamreg. Ynamreg's leader, Reltih has a plan to win the war. Capt. Marvel foils this plan and accidentally causes Reltih's death. At the end, Billy tells his radio audience that the 2 worlds are alike, and someday soon Hitler will also be dead.