Check out the final climactic scene in the 1994 version of the Fantastic Four movie...
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Here's the action-packed climax of Roger Corman's Fantastic Four, which Marvel reportedly paid millions to suppress. In this version, Reed Richards' main superpower is the ability to telegraph his punches worse than Tom Selleck. And the Thing's greatest gift is the ability to move as though he were in a full-body cast. As B movies go, Fantastic isn't so bad, but it makes some very questionable story choices.
How did this disaster happen? A German production company owned the rights to make a Fantastic Four movie, but was unable to raise the $40 million it needed before the rights were due to expire. So the company turned to Roger Corman, who said he could make the movie cheap and quick. (As commenter ManchuCandidate points out, Corman was willing to take chances.) At $1.4 million, this movie had a huge budget compared to a usual Corman spectacle. After the film was completed, Marvel paid a few million to suppress it. The team worked in secret to complete post-production on it, but then Marvel ordered all prints destroyed. So it's a minor miracle that you're able to suffer through this clip.