A Generation X promotional story called Opening Volley that was given away at the 1994 San Diego Comic Convention and also printed in Generation X: Overstreet Fan Special.
Collected EditionsMarvel Firsts: The 1990s Volume 2 (#1)
— Description from Comic Vine community (comicvine.gamespot.com · https://comicvine.gamespot.com/generation-x-preview/4050-18634/).
