Pom Klementieff, from left, as Mantis, Groot (voiced by Vin Diesel), Chris Pratt as Peter Quill …

Pom Klementieff, from left, as Mantis, Groot (voiced by Vin Diesel), Chris Pratt as Peter Quill/Star-Lord, Dave Bautista as Drax, Karen Gillan as Nebula in Marvel Studios’ “Guardians of the Galaxy Vol. 3.” (Marvel Studios)