Sherlock Holmes and Tony Stark
I think Tony suggested a foursome with Steve Rogers and Watson, but Holmes is NOT into the idea leaving Watson with Tony…
I thought I was done with RDJ/RDJ crossovers, but that son of a bitch said something that brought it all back.
“Sherlock and Tony should hook up in a hot tub time machine.”
— Robert Downey Jr
(I have no reliable source for this quote, but I believe in my heart that he ships them too).