dccomics.com

Br9yk TIL about Superman vs. Muhammad Ali, an oversize celebrity comic book published by DC Comics in 1978. The 72-page book features Superman teaming up with the heavyweight boxing champion Muhammad Ali to defeat an alien invasion of Earth, but first they have fight each other in a boxing match.
6E0x7 TIL "Kryptonite" was invented because Superman's original voice actor wanted time off, and the only way to do this was to make Superman sick.
yEYl TIL that Scooby and the gang star in a comic book, “Scooby Apocalypse” about trying to survive in a hellish near-future