User blog comment:ProfessorKilroy/Thor: The Dark World Trailer/@comment-5977347-20130423183309/@comment-3317214-20130423222938

Actually, I reckon they'll address the reasons why other heroes can't come help. But I'm happy with just knowing that if there's a battle going on, there's a chance that noone would be able to come and help by the time the battle's over.