Sylvester Stallone heavily teases, if not confirms, his return in Guardians of the Galaxy Vol. 3 as Stakar Ogord, a.k.a.
Starhawk. Thanks to the first film's massive success, director James Gunn was able to convince some big names to join the Guardians of the Galaxy franchise for its first sequel.
This included Kurt Russell as Ego the Living Planet and Sylvester Stallone, whose involvement was revealed thanks to the paparazzi. Stallone's role in Guardians of the Galaxy Vol.
Read more on screenrant.com