So I thought I'd jump back into Killer Instinct seeing as season 2 is free with Games with Gold this month. I download it to my Xbox and fire it up, but when I go to versus mode I can't seem to select any of the season 1 characters. This is odd because I got season 1 for free last year through Games with Gold, and I did in fact play that version of the game last January. Now when I try to select (for instance) Sabrewulf, the game prompts me to purchase him. Any idea on how I can unlock season 1? There doesn't appear to be a separate download that I can see that's separate from the Shadow Lords icon, so I'm at a loss as to what's going on.

If you are playing on the Xbox One try going to the manage game section by hitting start on the game tile. It lists all the DLC you can download in there I believe.

@bobafettjm: And just like that my problem is solved. Thanks duder!