A Captain America comics cover.
Marvel Entertainment

Captain America is just one of many characters Disney is getting for its $4 billion.

"WTF! NOT COOL! SOOOO NOT HAPPY! Spider-man should not be co-mingling with Goofy."

Thus went a fairly typical Twitter reaction (this one from @jgibbard) to the news that Disney is paying $4 billion to buy Marvel Entertainment and its library of 5,000 characters — including Spider-Man, Iron Man, the X-Men, and the Fantastic Four.