What is the fine-grained topic of the following text: Lego Marvel Super Heroes offers an original storyline in which Nick Fury calls upon Iron Man, the Hulk, Thor, Spider-Man, Wolverine and other Lego heroes spanning the Marvel Universe to save Earth from such threats as the vengeance of Loki and the hunger of Galactus, Devourer of the Worlds. Only return the topic.
Lego Marvel Super Heroes storyline and characters