4 (Four) as How Many Villains Should Appear in the Doraemon/Spider-Man Crossover - Toonking1985's Voting Page Fan Cast | myCast.io
4 (Four)
4 (four) is a number, numeral and digit. It is the natural number following 3 and preceding 5. It is the smallest composite number, and is considered unlucky in many East Asian cultures.