While promoting his upcoming Doctor Who special for Titan Comics, Dan Slott revealed he had plans for a five issue series where Peter Parker would become The Doctor's companion, and Curt Connors would become a Silurian instead of The Lizard. He also likens Morlun to The Master. Marvel were 'happy just being Marvel' and asked if he'd rather create a Doctor-like character exclusive to them.

https://bleedingcool.com/comics/dan-...ver-marvel-no/