Fox Sports can reveal secret discussions between the Broncos and Bellamy have been going on for at least the past month, as Brisbane look to find a successor to Bennett.
However, Bellamy is out of contract at the end of the season at Melbourne, while Bennett is currently contracted until the end of the 2019 season in Brisbane.
The Broncos have spoken to Bellamy about all options, which includes him heading straight to Brisbane at the completion of his Storm deal, which could mean Bennett would be asked to step aside to allow Bellamy to take his place.
Bellamy could also just sit out the 2019 season, and wait until Bennett’s contract runs out before taking over.
The pair worked together at the Broncos between 1998 and 2002, before Bellamy left to join the Storm for the 2003 season.