The Movie Game

Given a plot summary that merges elements from two movies, guess the fictional combined movie title, created by blending the two original movie titles, within 4 attempts.
The correct answer will be a portmanteau, i.e., the last word/words of the first title will match or sound like the first word/words of the second title. Correct words will be revealed.

If you're stuck, you can request a hint!

• 1st hint: first and last letters revealed
• 2nd hint: first word revealed
• 3rd hint: last word revealed

Example

Hint: A covert agency renowned for regulating extraterrestrial affairs partners with a secretive, technologically advanced kingdom to thwart an alien menace, preserving both their interconnected legacies and hidden resources.

Answer: Men in Black Panther