1: The Fantastic Four faced tough foes like Dr. Doom and Galactus, but their darkest moment may have been the death of Johnny Storm.

2: Sue Storm lost her unborn child in a tragic storyline that tested the team's strength and resolve.

3: A battle with the Skrulls led to the apparent death of Reed Richards, leaving the team fractured and vulnerable.

4: Franklin Richards' reality-altering powers brought the team to dark alternate timelines where they faced their worst fears.

5: Ben Grimm struggled with his monstrous form, leading to moments of despair and self-doubt for the Thing.

6: The team's greatest ally, Alicia Masters, was revealed to be a Skrull impostor, causing chaos and mistrust among the team.

7: The team's headquarters, the Baxter Building, was destroyed in a devastating attack, leaving the team without a home base.

8: Reed's obsession with science and invention led to his neglect of his family, causing strain on his marriage to Sue.

9: The Fantastic Four have faced many dark moments, but through it all, they have proven their resilience and ability to overcome adversity.