Top 20 Theatrical Marvel and DC Films:
Batman Returns
Batman
Batman: Mask of the Phantasm
Superman
Spider-Man 2
Spider-Man
Hulk
Batman v Superman: Dawn of Justice
Man of Steel
X-Men 2
Wonder Woman
Batman Begins
The Dark Knight
Captain America: The Winter Soldier
X-Men: Days of Future Past
Superman II
Batman: The Movie
Thor
Avengers: Age of Ultron
Captain America: Civil War
Top 15 DC Animated Original Movies:
Batman: Return of the Caped Crusaders
All-Star Superman
Batman Beyond: Return of the Joker
Justice League: The New Frontier
Batman: Year One
Batman: Under the Red Hood
Batman & Mr. Freeze: SubZero
Batman: The Dark Knight Returns (Parts 1 and 2)
Justice League: The Flashpoint Paradox
Green Lantern: Emerald Knights
Wonder Woman
Justice League: Gods and Monsters
Green Lantern: First Flight
Justice League: Doom
Justice League: Crisis on Two Earths
Honorable Mentions: Superman/Doomsday and Teen Titans: Trouble in Tokyo