Deployable abilities leave an object on the battlefield in Marvel Rivals. Heroes with such skills include Peni Parker, Groot, Moon Knight, Namor, Rocket Raccoon, and Loki. If ignored, these items can deal tremendous damage, lock down an area, or rapidly heal the enemy. It’s important to destroy deployed objects quickly before they become an unstoppable threat. On the other hand, if you’re playing one of these summoners, defending your creations is vital.

https://screenrant.com/marvel-rivals-how-to-destroy-protect-deployable-ability/