Robert Downey Jr. and cast & crew of 'Avengers: Infinity War' attend the Los Angeles Global Premiere for Marvel Studios' "Avengers: Infinity War" on April 23, 2018, in Hollywood, California.

The 2018 movie season starts with Marvel's latest installment of their explosive cinematic universe, bringing together the titular Avengers with their wise-cracking space counterparts, the Guardians of...

Photo Credit: Jesse Grant/Getty Images for Disney