At one point, apparently Nemesis would have utilized a rocket launcher during its Mori in which killers in Dead by Daylight outright murder a survivor in a signature way.

We’ll make our way from the Demolition Site and Gun Shop Kendo to the Subway Station, and tell you how to avoid Nemesis and his new Rocket Launcher. Objective: Return to the Subway Station.

Last up, in the moments following the demolition site - when The Nemesis gets that rocket launcher (boo) - you'll get a chance to earn some grenade launcher flame rounds.

Resident Evil 3 Remake Nemesis flamethrower boss. When you reach the top of the ladder the Nemesis will grab your head. ... He’ll chase you through another linear sequence with a rocket launcher.