There's a huge cast of brand new superheroes, including many big name stars like Angelina Jolie and Salma Hayek. PHILADELPHIA (WPVI) -- Marvel's latest blockbuster: "Eternals" hits theaters Friday.

As we delve into the behind-the-scenes journey of the cast, particularly Nanjiani's dedication to maintaining his superhero physique, we uncover the challenges and sacrifices faced by actors in the ...