Marvel Two-in-One #36, The Thing and Mr. Fantastic, Marvel Comics, 1977 JR1

Marvel Two-in-One #36 features The Thing and Mr. Fantastic in a time-traveling adventure that brings characters from the past into the present. The issue promises an exciting crossover with a dramatic cover showcasing a battle against a large sea creature. An additional note mentions "Skull the Slayer" as part of the comic's storyline, suggesting a potential team-up or conflict involving that character.