On last night’s post-Oscars show, Jimmy Kimmel presented a bunch of parody trailers based on viral videos, including such timely favorites as “Keyboard Cat†and “Charlie Bit Me.†What if those were the true stories that inspired big-budget movies? Behold Meryl Streep, Chris and Liam Hemsworth, Tom Hanks, Queen Latifah, Adam Driver, Joseph Gordon-Levitt, Seth Rogen, Kevin Spacey, Christoph Waltz, Ben Kingsley, and Barkhad Abdi, among others, in “Bitman Begins,†“Ameowdeus,†“Sweet Brown: Ain’t Nobody Got Time for That,†and “David After Dentist Double Rainbow Oh My God! in 3D.â€