Gekisou Sentai Carranger vs Ohranger (1997)

Recently discharged Marine sniper John Stewart is at a crossroads in his life, one which is only complicated by receiving an extraterrestrial ring which grants him the powers of the Green Lantern of Earth. Unfortunately, the ring doesn't come with instructions - but it does come with baggage, like a horde of interplanetary killers bent on eliminating every Green Lantern in the universe. Now, with the aid of the light-hearted Green Arrow, Adam Strange and Hawkgirl, this reluctant soldier must journey into the heart of a galactic Rann/Thanagar war and somehow succeed where all other Green Lanterns have failed.

After tragedy strikes, an unlikely young hero takes her rightful place among the Power Rangers to face off against the team's oldest archnemesis.

When a mysterious stranger arrives from the future with a dire warning, Leo is forced to rise and lead his brothers, Raph, Donnie, and Mikey in a fight to save the world from a terrifying alien species.

Death is coming. Worse than death: oblivion. Not just for our Earth, but for everyone, everywhere, in every universe! Against this ultimate destruction, the mysterious Monitor has gathered the greatest team of Super Heroes ever assembled. But what can the combined might of Superman, Wonder Woman, Batman, The Flash, Green Lantern and hundreds of Super Heroes from multiple Earths even do to save all of reality from an unstoppable antimatter armageddon?!

A mysterious group called Humarize strongly believes in the Quirk Singularity Doomsday theory which states that when quirks get mixed further in with future generations, that power will bring forth the end of humanity. In order to save everyone, the Pro-Heroes around the world ask UA Academy heroes-in-training to assist them and form a world-class selected hero team. It’s up to the heroes to save the world and the future of heroes in what is the most dangerous crisis to take place yet in My Hero Academia.

The Batman family has returned to the present to discover that Japan has disappeared, and a giant island - Hinomoto - is now in the sky over Gotham City. At the top sit the Yakuza, a group of superpowered individuals who reign without honor or humanity and look suspiciously like the Justice League. Now, it’s up to Batman and his allies to save Gotham!

Determined to ensure Superman's ultimate sacrifice was not in vain, Bruce Wayne aligns forces with Diana Prince with plans to recruit a team of metahumans to protect the world from an approaching threat of catastrophic proportions.

Paris 2020. While superheroes have assimilated into the Parisian society, they discover a new drug that gives themselves personal superpowers to mere mortals. Lieutenants Moreau and Schaltzmann are investigating the case with the support of two ex-superheroes, Monte Carlo and Callista. They'll do whatever it takes to dismantle the traffic. But Moreau's past resurfaces, and the investigation becomes more complicated.

Fuelled by his restored faith in humanity and inspired by Superman's selfless act, Bruce Wayne and Diana Prince assemble a team of metahumans consisting of Barry Allen, Arthur Curry and Victor Stone to face the catastrophic threat of Steppenwolf and the Parademons who are on the hunt for three Mother Boxes on Earth.

The comedic modern-day quintet takes on their 2003 counterparts when villains from each of their worlds join forces to pit the two Titan teams against each other. They'll need to set aside their differences and work together to combat Trigon, Hexagon, Santa Claus (that's right, Santa!) and time itself in order to save the multiverse.