What Does Industry Pro Say About 'Avengers: Endgame'?

On April 26, Marvel's Avengers: Endgame hits theaters.
Comicbook.com reports that first reactions to the film are starting to come out.
According to Deadline.com, an "industry professional" has seen the film and is ready to dish!
The "industry professional" told Deadline the second half of the film is "mind-blowing."
The movie is on pace to open between $200-$250 million.
Advanced ticket sales for the film caused sites like Fandango to crash.