I have tons of Marvel/DC DVDs and Blu Rays.
-All the Marvel Cinematic Universe films on Blu Ray
-Daredevil Season 1 on Blu Ray
-Jessica Jones Season 1 on Blu Ray
-All the X-Men films on Blu Ray, including the Rogue Cut of DOFP and the Extended Cut of Wolverine
-All the Blade films on Blu Ray, and the complete TV series on DVD
-The Spectacular Spider-Man complete series on Blu Ray
-Spider-Man MTV series complete on DVD
-Earth's Mightest Heroes Avengers complete series on Blu Ray
-Wolverine and the X-Men complete series on Blu Ray
-Powers season 1 on Blu Ray
-Kick Ass on Blu Ray
-Punisher (Tom Jane version) on Blu Ray
-All the DC Extended Universe films on Blu Ray, including the Ultimate Edition of BVS
-All the Arrowverse seasons released so far including Constantine and Supergirl on Blu Ray, 90s Flash DVD
-Batman the Animated Series+New Batman Adventures complete on DVD, including Mask of the Phantasm, Myster of the Batwoman, Mr Freeze: Sub Zero films
-Superman the Animated Series complete on DVD
-Batman Beyond complete on DVD, including Return of the Joker film
-Justice League and Justice League Unlimited complete series on DVD
-Teen Titans complete series including Trouble in Tokyo film on DVD
-Young Justice complete series on DVD
-Batman: the Brave and the Bold complete series on DVD
-iZombie seasons 1 and 2 on Blu Ray
-Lucifer season 1 on Blu Ray
-Preacher season 1 on Blu Ray
-Swamp Thing the movie on Blu Ray, Return of Swamp Thing and complete Swamp Thing: the Series on DVD
-Superboy the complete series on DVD
-Batman (1966) complete series on Blu Ray, including live action and recent animated films
-Kingsman: the Secret Service on Blu Ray
-V for Vendetta on Blu Ray
-Watchmen on Blu Ray
-Constantine on Blu Ray
-All three Batman Unlimited films on Blu Ray or DVD
-Literally every single DC Universe Animated Original Movie on Blu Ray, including the compilations of shorts and the shared universe stuff
-all the LEGO DC animated films released so far on Blu Ray
-JLA Adventures: Trapped in Time on DVD
-Superman the Movie on Laserdisc
-Batman (1989) on Blu Ray
-Green Lantern: the Animated Series on Blu Ray
Stuff I still need:
-X-Men the Animated Series
-Max Fleischer Superman cartoons
-future seasons of Flash, iZombie, Daredevil, Legion, etc, etc, etc
-future MCU, X-Men, and DCEU films
-future DC animated films