Always loved this moment from the classic Superman and Spider-Man crossover (the second DC/Marvel crossover and the second time the characters met). Superman struggles to contain an explosion that would literally end the world…
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…and all he can think about is how tough this must be for Spider-Man!

Classic. And perfectly in character for both heroes. That Jim Shooter knows his stuff, man.

(From Superman and Spider-Man, 1981. Written by Jim Shooter. Art by John Buscema and Joe Sinnott.)