User blog comment:Ultimate Heatblast/LEGO Avengers Video Game/@comment-1895174-20120924012225/@comment-4591819-20120924115717

Good point. I was thinking it could start out with Cap and Iron Man and as it progresses, more Avengers get unlocked and every other character can be unlocked in the free-roam area or in bonus levels, like in LEGO Batman 2.