My Heartbeat in Yours (Your Breath in Mine)

Marvel Cinematic Universe The Avengers (Marvel Movies) Iron Man (Movies)
F/M
M/M
G
My Heartbeat in Yours (Your Breath in Mine)
author
Summary
It is an awful thing, to cry out with no one there and nothing to hurt him. (It is an awful thing, to hurt all the same.)Stephen felt his chest splinter. Tony's fingers shake. The answer lies over their pulses, but neither dare to look.Or: a soulmate au where the pain of your soulmate is felt as your own.--It was the initials on his wrist, scrawled in boyhood cut short, inked black capitals stark against the dawn. Soulmates, then. They stared up at him, as if in laughter.A.E.S.
Note
EDIT, 4/1/19: Directly below is the first (first) chapter, written and published July 2018. The dashes signify the end of the first and that of the next; the same chapter rewritten April of next year. I do hope I've improved.

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