They "just" USED Ultron as the main baddie in Annihilation: Conquest... c'mon, Marvel... have Hela decide to take over Wakanda for her own private paradise or something... variety's awesome!
She could enchant Hulk and Wolverine and have them ambush ships that pass by, bringing her slave labor.. until the Avengers and X-Men/X-Force/X-Whatever show up to stop her... with one of the members from that team agreeing to be her concubine (male or female) in order to ultimately save the life of several of their teammates from some sort of demise they would face via Hela otherwise...
... or have Arcade's progeny (isn't the original dead?) show up with data he filtered from Shield satellite feeds, with a whole new Murderworld that's based on Sakaar.. have him put the Hulk, Skaar and Korg (or maybe non-Hulk related characters) through the paces of what we witnessed in Planet Hulk... but the Hulk and Skaar ultimately show up and "enjoy the moment" as it reminds them of their destroyed/beloved planet; though I'm not sure what persona the Hulk has currently....
