They could do that, but that would lend legitimacy to Marchi being a director or officer. More likely, they will have a meeting (or even sign a written consent in lieu of a meeting) electing one or more new directors, who will in turn appoint one or more new officers, without conceding that Marchi was ever ANYTHING for the corporation.
Again, if he resists, a judicial determination may be necessary. That's what happens when shells are hijacked, which has happened somewhat frequently over the last several years.
All of this assumes, of course, that the basic information that has been posted here recently is accurate. If Barton and Coleman don't really control a majority of the voting shares of the corporation, all bets are off.