The {Team} NBT tag works for most entities including mobs, armor stands, but it does not work for the new Marker entity. The marker entity can still be added to a team with the /team command, however it takes more command blocks to do so and can interfere with other markers.
What I expected to happen was...:
The marker would be put into the team in the tag.
What actually happened was...:
It wasn't.
Steps to Reproduce:
1. Use the summon command with the {Team} NBT tag to spawn a marker in a team, for example, /summon marker ~ ~ ~ {Team:Ender}
2. The marker will not be put into the team, in this case Ender.
3. The only way to get the marker into a team is the /team command.
Linked issues
Comments 1

Thank you for your report!
We're tracking this issue in MC-63391, so this ticket is being resolved and linked as a duplicate.
That ticket has already been resolved as working as intended, which means this is not considered a bug and won't be fixed. Please do not leave a comment on the linked ticket.
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