Post a few works with co-creators (using default pseud, alternate pseuds, pseuds of other users)
Go to the mass edit page
Select some co-created works for editing and choose "Edit"
On the mass edit page, where no works have been selected: the list of editable works with checkboxes has no co-creator information.
On the mass edit page, where some works have been selected: the list of works being edited at the top ("Your edits will be applied to all of the following works:") has no co-creator information.
What should happen:
You can see where this is going. We should display co-creators next to each work, including all the pseuds belonging to the current user.
The format can be similar to the list of co-creators next to each item on the subscriptions page.