True (though I’m guessing)
Brad Pitt has played Achilles.
It’s actually false (he’s tied at second most).
That’s true
Mako died in 2008, and was replaced as Iroh on Avatar: The Last Airbender
I don’t know about that show, but I’ll say false.
False. Bridget von Hammersmark is a fictional character played by Diane Kruger:
Christoph Waltz was won two Best Actor Oscars.
False
That’s true actually.
Batman has had a total of four Robins
False.
Yes, his two Oscars are as Best Supporting Actor.
Really? It says he died in 2006: (December 10, 1933 – July 21, 2006)
Bruce Wayne has had a daughter.
False, a son
That’s odd. His voice acting on the show ended in 2007.
JK Rowling says she was afraid of her father
True.
He’s also fathered a daughter in some continuities. So true.
Voice acting is done a long time before the episode airs, so that’s why.
Jimmy Olsen is a woman in Man of Steel.
False, because the character is called Jenny Olsen.
Departed won Best Picture.
True.
Actually, even falser, as the character isn’t related to Olsen at all as the rumour stated, but her name is Jenny Jurwich.
Mr. Bile eventually became a scarer.
If memory serves, I believe that’s true
Walt Disney was a known anti-semite
That’s tricky. I wouldn’t say “a known anti-semite”, but more of “a suspected anti-semite”, as it’s a very disputed fact.
False, because when he got in, the factory didn’t use scares any more.
Batman in the comics hasn’t ever killed anybody directly
True
Good answer!
Nicolas Cage has been in well over 60 films
True.
Very false. Batman has indeed killed, specially in older interpretations.
John Lasseter was the key animator in Young Sherlock Holmes
True, I guess? 
No idea.
Peter Jackson has only ever made adaptations and remakes
Very false.
Yes, true, back when he worked for ILM in Lucasfilm.
The original Pilot episode of Star Trek is also known as Where No Man Has Gone Before.
True?
There are 3 different companies who have adapted of Tolkein’s work
False. Many more.
False. The original pilot was The Cage, with a mostly different cast. Then they made Where No Man Has Gone Before with the regulars as a second pilot (the one that got picked up.
Leonard Nimoy sang The Ballad of Frodo Baggins.
That is true! It’s so hilariously bad!
William Shatner was featured on the 2013 Oscars
Very true.
Mila Kunis was born in Ukraine.
True…?
Sandwiches were created by the Earl of Sandwich