Val Kilmer Dons Batman Mask in Final Instagram Video

One of Val Kilmer's last Instagram posts before his shocking death is quite nostalgic -- it shows him putting on a Batman mask as he sits next to artwork of the beloved superhero.

Check out the clip ... Val -- who notoriously played Bruce Wayne in 1995's "Batman Forever" -- jokes it's "been a while" as he slides on the mask. He seems to approve of the splattered black and white rendition of the iconic mask ... striking a pose before picking it up to get a closer look.

His artist pal David Choe encourages him, telling him it looks "great."

In addition to the video, Val shared snaps of several unique artwork pieces featuring Batman.

On top of being a prolific actor, Val was an artist in his own right with a website featuring his purchasable pieces and even an artist community called Kamp Kilmer. Though he had a separate Batman section on his website, the pieces in his video were not listed at the time of his death.

His last Instagram post was from March 22 ... he proudly showed off an art piece of his that resembled a campfire. He described it as "when the camp fire cools down but you’re still wide awake."

Val died on Tuesday in Los Angeles due to complications from pneumonia, his daughter, Mercedes, confirmed.

The "Top Gun" star had also overcome throat cancer after being diagnosed in 2014. In 2017, he told The Hollywood Reporter it had "taken its toll" on him, making him short of breath and leaving him with a raspy voice following a procedure on his trachea.