Venom-Thor

The alien costume takes over El Dios del Trueno

"Sentimental fool!  The Asgardian struggles, but he is already mine! I have to leave, to complete the union. Later I shall return, and destroy all of you!" 

And the entity disappears into a cave! "Don't worry, Reed..."

Notes:
Tranquilo, an adjective meaning calm or quiet, is often used to calm someone who is worrying.