Boba Fett showed up in the Star Wars Holiday Special (1978), which came out before Empire Strikes back (1980), making it his first appearance. He also uses the same rifle The Mandalorian uses in the show.

Image from preview.redd.it and submitted by Godzi11anano
image showing Boba Fett showed up in the Star Wars Holiday Special (1978), which came out before Empire Strikes back (1980), making it his first appearance. He also uses the same rifle The Mandalorian uses in the show.

olddicklemon72 on December 11st, 2019 at 15:18 UTC »

His first appearance was actually at a parade.

IndianaGroans on December 11st, 2019 at 15:57 UTC »

The whole first ep of the mandalorian has a lot of fun callbacks to the holiday special.

Hylanos on December 11st, 2019 at 16:18 UTC »

I absolutely love Boba Fett's casual animal abuse and insistence on calling the Rebels "friend" over and over in the holiday special. Really tips you off to him being the bad guy before it's revealed.