Chris Pratt, who is best known for his performances on 'Parks and Recreation' and 'Guardians of the Galaxy' recently posted promo-pictures for the film 'Avengers: Infinity War.' According to filmmakers, his character from 'Guardian of the Galaxy' will be joining the Avengers to defeat Thanos and the Black Order. According to comicbook.com, "Pratt shard a photo of himself with [Pom Klementieff - the actress who plays Mantis] in Sao Paulo to Instagram.'