You can check modules for Vassal:
https://vassalengine.org/wiki/Module:Wing_Leader
The latest version contains all the expansions you are looking for and more:
ЦитироватьWing Leader (WL) VASSAL module version 5 contains content to play WL Victories Second Edition, WL Supremacy Second Edition, WL Blitz, WL Eagles, WL Origins, WL Legends, and C3i Magazine content.
They are opened with any tool that is capable of working with archives: 7zip, WinZip, WinRAR... Inside there are images of game components, counters included.