Why is Green Lantern called a movie joke?

Did not achieve the expected results. According to the query of cat's eye movies:

1, "The Green Light" is called a film history joke because the writer's writing style and the director's performance did not meet the audience's expectations, resulting in the overall quality is not very high.

2. The Green Lantern is directed by martin campbell, starring Ryan Reynolds, Bree Clery and Peter Sarsgaard.