Nothing says romance like a superhero, murderer, or monster. But if your sweetheart adores a certain movie or TV show, you can show your love with a valentine greeting in a style he or she will appreciate.  

1. DEADPOOL

SCIentifirific at DeviantART

DeviantART member SCIentifirific created this valentine featuring the not-so-heroic superhero Deadpool. You can see more of them here. The movie Deadpool opens this weekend, in case you’re in need of a romantic activity for a Valentine's Day date.

2. MAKING A MURDERER

If your significant other is a fan of the Netflix series Making a Murderer, she/he will understand the reference in this valentine from Etsy seller OhDeerDesign1. This is just one of several Making a Murderer valentines available from the same vendor. 

3. THE WALKING DEAD

Hallmark has teamed up with AMC to offer a series of The Walking Dead e-cards for Valentines Day. These valentines aren't for the faint of heart—they feature the undead with such slogans as “Love you to pieces,” “Eat you up,” and “Give you my heart.”

4. THE X-FILES

Etsy seller NervousBreakdown has created the perfect valentine for those who believe the truth is out there. Fox Mulder trusts no one ... “Except you girl," the inside of this digital card reads. "Happy Valentines Day.” NervousBreakdown has several other pop culture valentines available for instant download as well. 

5. PARKS AND RECREATION

A valentine featuring Parks and Recreation character Ron Swanson is about as manly as you can get—especially when it includes a stick of beef jerky! This valentine is available as an instant download for you to print from DownloadDepot. Don’t forget to pick up the beef stick!

6. GAME OF THRONES

A photo posted by designgenes (@designgenes) on

This charming Game of Thrones valentine will make any Game of Thrones fan go "Aww!" The card is one of several from Design Genes Studio: There are valentines featuring Cersei Lannister, Ygritte, and Daenerys Targaryen as well.

7. STAR WARS: THE FORCE AWAKENS

You can buy boxes of Star Wars valentines at your local store for passing out at school and kids’ parties, but it’s more fun to snag the ones with horrible puns from the internet. You can find a collection of Star Wars valentine images with bad puns gathered from Tumblr (the SFW ones) here.

8. THOR

Etsy has a lot of Avengers-themed valentines, mostly for children to hand out at school. Then there’s this one featuring Thor that makes a girl’s heart flutter. For that, you can thank Etsy seller LoLo2ology.

9. MAD MAX: FURY ROAD

The movie Mad Max: Fury Road was a feature-length post-apocalyptic chase scene, not a romance. But it doesn’t matter if you want to share your romantic sentiments with a fellow fan. Scott Cañez Wong designed a series of Fury Road valentines featuring Coma Doof Warrior, shown here, and other characters from the movie.