Sabbir_Rahman
Some suggestions. -perfect the serums in marvel (luke cages, jessica jones, extremis, oz serum, super soldier serum, purple mans experimental one, sentry serum etc). -make nzt-48 -hiro hamadas nanobots (literally limitless application) -serums from halo and mass effect -t-virus perfected -G-virus perfected -terminator models t-1000 etc -Cortical Stacks (Altered Carbon) -what it machine (futurama) -quantum super computer -trirecorders (star trek) -neutralizer men in black -replicator (star trek) -t spheres mr terrific -lantern ring (dc) -Phantom zone (dc) -mother box (Dc) -all of these things can be either made or taken from their universe with a portal gun. Good luck