After Hulk falls sick with an alien infection caused by the Phalanx, Spider-Man, who fears that S.H.I.E.L.D. will lock the Hulk away rather than help him, tries to hide him at his house from the Phalanx, Nick Fury, and Aunt May. After Hulk falls sick with an alien infection caused by the Phalanx, Spider-Man, who fears that S.H.I.E.L.D. will lock the Hulk away rather than help him, tries to hide him at his house from the Phalanx, Nick Fury, and Aunt May.
—Wikipedia