Thread:Marvelous 345678/@comment-24669364-20170327194916/@comment-26838855-20170423214113

https://www.comicbookmovie.com/guardians_of_the_galaxy/vol_2/spoilers-sylvester-stallones-role-in-guardians-of-the-galaxy-vol-2-has-been-revealed-a150419

This article does reveal who Stallone is playing, so beware of minor spoilers (it's not a particularly big/well-known character as far as I'm aware). But just for reference, it says that something happened "nearly twenty years" ago.