No surprise - he’d essentially be running as a equivalent of an incumbent as a former President.
The parallels to Grover Cleveland are unmistakable, as his re-election having destroyed the Third Party System as Trump's re-election will destroy the Sixth Party System.
By the end of Trump's 2nd Term, Musk will have circled the moon personally, and also have 2 massive freight payloads in orbit around Mars with both having dropped landers to determine his landing site in 2033; social credit will have overtaken Europe and the Asias while Trump will be the last president to fend off granular AI surveillance in the US; Biden, Schumer, Pelosi, Hoyer, Clyburn, and Bubba - "Me mind on fire / Me soul on fire, feeling hot, hot, hot"; the Metaverse will bust and take FB with it, now owned by GOOG; AMZN will own KR and COST and Walmart will start to look like early-2020 TGT, who will have gone bankrupt; #WINNING will draw blacks and Latinos into the GOP in unprecedented percentages, including office-holders.