Marvel an alliance of heroes and villains. Made by Stan Lee, the Owner of Marvel comics. Marvel was created in 1939. For example some heroes created by Marvel are Iron Man, Spider-man, and Wolverine. There are also villains such as Loki of Asgard (Thors brother) and The Red skull.
Each hero and villain has a special powers or abilities, such as Wolverine having a healing factor, or the amazing Spider-man able to grip on to anything.
On the other hand villains such as juggernaut when gaining speed he is unstoppable, or Loki is a man of mischief and trickery.