There has to be! Going from 6 playsets to 3 playsets in a game sequel?! They wouldn't! At least… I hope not.
And disneyinfinity_taylor on Twitch said there were 3 Disney playsets coming, and that he "can't share more ". I made a whole topic on that whole ordeal.
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I sincerely hope there will be! The Avengers and Spiderman playset are essentially the same and quite boring. We had 3 different sets with the starter pack alone in 1.0. I am unfortunately bored with the game already and I have all three playlets. At least 1.0 offered varried gameplay.