Cheering Crowd is a rare Creature — Human Citizen card from Marvel's Spider-Man (SPM), collector number 270. Current market price: $0.31 (foil $0.41), TCGplayer market prices via Scryfall.
At the beginning of each player's first main phase, that player may put a +1/+1 counter on this creature. If they do, they add {C} for each counter on it.