History: Batman and Superman — Partners, Fighters, Bed Sharers

The Man of Steel sequel will feature DC Comic's most prominent superheroes. They've met many times before.

Batman: The Brave and the Bold (Western Animation) - TV Tropes

I want a Superman and Batman movie that shows their friendship. They have the best friendship in all of comics, and I'm sick of them being betrayed as violent enemies. : r/superman

Beat on the Bats: The Bat-Family's Greatest Comic Book Fights

Dave's Comic Heroes Blog: Superman Batman First Meetings?

The History of Batman and Superman's Comic Book Fights

33 Crime-Fighting Batman Gifts That Every Caped Crusader Will Be Obsessed With

Superman: The One Who Fell by Phillip Kennedy Johnson: 9781779512642

History: Batman and Superman — Partners, Fighters, Bed Sharers

New 52: DC Comics insiders speak out on infamous Batman, Superman reboot - Polygon