"Vast array" might be "extensive collection," "numerous range," or "broad spectrum." extensive collection
Next section: "Characters and Star-Studded Cast" Avengers Infinity War -2018- 720p Hindi Dubbed ...
: Scarlett Johansson and Jeremy Renner take on again their roles, handling inner issues with the colossal undertaking of saving the universe. Doctor Strange: Benedict Cumberbatch introduces the mystic arts into the fold, enacting a crucial role in the struggle against Thanos. The Guardians of the Galaxy: This motley crew adds lightness as they join forces with the Avengers, imparting a special flair to the storyline. "Torn between duty and the relationships he holds dear
"Torn between duty and the relationships he holds dear." "Torn between" could be "caught between," "divided between," or "split between." caught between " "divided between
Proper nouns here include "Avengers: Infinity War", "2018", "Marvel Cinematic Universe", "MCU", "Anthony", "Joe Russo", "Hindi", "Indian".
So the words to rework in the first sentence would be: "2018", "720p", "Dubbed", "Grand", "Cinematic", "Adventure".