Disney issues seizure warning for 'Incredibles 2'

With the combined powers of superheroes, the Pixar brand and a drought of family-friendly films, Disney's "Incredibles 2" became the best animated opening of all time this past weekend.

However, it didn't come without some issues — after its opening, a number of moviegoers took to social media to express concern about several scenes in the film that include bright flashing lights that could potentially trigger seizures in people prone to them.

The film includes no warning in the opening credits.

Now, Disney has issued a seizure warning to make people aware. One particular scene in the movie, involving the villain, named "Screen-Slaver," last about a minute and a half with constant bright, flashing lights.

The Epilepsy Foundation says, in some situations,

. It's called photosensitive epilepsy and is more common in kids and teens.

Some theaters have added

, credited to Walt Disney Studios Motion Pictures.

It reads:

“Dear Guests,

INCREDIBLES 2 contains a sequence of flashing lights which may affect customers who are susceptible to photosensitive epilepsy or other photosensitivities.