ctrlcv_markers (copy and paste markers)

Script for After Effects allow you to copy and paste layer markers
You can run it directly through File->Scripts->Run Script File. Or if you want dockable panel you can place script on /%Your_AE_Folder%/Scripts/ScriptUI Panels and run it through Windows->ctrlcv_markers
You can choose multiple layers to copy markers — it will copy all markers from all layers.
Checkbox "absolute time" defines to paste markers relative to current composition time or paste at the same time they were copied.