By Justin Barrasso Who will be the unnamed free agent making his big debut on ‘Dynamite’? Tony Khan created a world of speculation last week when he tweeted a new star will be making his debut this Wednesday on Dynamite. The free-agent acquisition will face off against Isiah Kassidy in a qualifier for the Face of the Revolution ladder match, which takes place at next month’s Revolution pay-per-view, and Khan believes he will become an immediate fixture in AEW. “It’s a huge signing for us,” says Khan, who is AEW’s CEO, general manager and head of creative. “I have created some debate about what…