Train chassis are being rethemed for Iron Man Coaster:
Advancement of the Iron Man Coaster entrance:
Advancement of Spider Man Web-Slingers:
Sources : https://twitter.com/dlpreport/status/1373667986670813191
https://twitter.com/dlpreport/status/1373665771847553024
https://twitter.com/dlpreport/status/1373663391294840836