Word Origin & History. sparse 1727, from L. sparsus scattered, pp. of spargere to scatter, spread, from PIE base *(s)pregh- to jerk, scatter (cf. Skt. parjanya- rain, rain god, Avestan fra-sparega branch, twig, lit. that which is jerked off a tree, O.N. freknur freckles, Swed. dial. sprygg brisk, active, Lith. sprogti shoot, bud, O.Ir. arg a drop).
Avengers: Infinity War is scheduled to be released in the United States on May 4, 2018, in IMAX and 3D. The sequel is scheduled to be released on May 3, 2019.
The film was announced in  October 2014 as Avengers: Infinity War â Part 1. The Russo brothers came on board to direct in April 2015 and by May, Markus and McFeely signed on to write the script for the film.